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Trek Marlin 5 Review

Trek Marlin 5 is an entry-level bike from Treks’ Mountain Bikes series. It offers a lot of features you’d expect from an expensive bike like internal cable shifting and hydraulic brakes. Some of the recent updates to the model leading up to Trek Marin 5 2020 made it the best in the budget category and very easy to recommend to any trail riding beginner.

Trek Marlin 5 is one of the best entry-level mountain bikes and it’s perfect for you if you are

• trying to get into Mountain Biking or trailing and not sure if you’d like the sport. In this case, Marlin 5 makes for a great beginner-friendly bike which you can use to test and level up your training skills before upgrading to something more advanced. The Drivetrain of this bike provides you with a huge combination of speeds which can come handy.
• looking for a commuting bike for school, and your path involves a few rough roads or would enjoy a bit of trailing on the side as a hobby. If your commuting path involves some roads which need repair, Marlin 5 might be the perfect bike because unlike a hybrid at this price range you will be getting a good suspension with 100mm travel and a preload adjustment for switching between smoother rides and a bit rougher ones.
• trying to get the best of both worlds bike and not ready to spend big bucks on the more expensive bikes then Trek Marlin 5 is a match made in heaven. With the price range of 500-600 dollars, you will be getting a solid experience without breaking the bank.

This is our Trek Marlin 5 Review which provides a detailed overview of the bike with a comprehensive review of all the components and parts. There is also a specs list sorted down below for ease of access.

Trek Marlin 5 Specs

Trek Marlin 5 comes with a light-weight Trek Silver Alpha aluminium frame which offers sturdiness for your trails while still being light enough to not wear you down during long rides.

You can expect some pretty good welding with internal cable shift and brake hose routing which you see on more expensive bikes and it protects your cables from getting damaged from varying weather and landscapes.

This becomes all the more relevant in the mountain trail picture where the terrain does not side with the best of the conditions. The frame manages to hide all the cables inside the frame which also makes for a stunning look.

Going with the theme of Trek Marlin 5 making the best of both worlds when coming to Mountain Biking and Commuting, It has good rack mounts if you want to load your bike for longer trails.

We got a wide Bontrager alloy, 31.8mm with Blendr compatibility which enables you to mount accessories like lights, mobile phone dock, or a GoPro for your next adventure.

We got a matching Bontrager alloy with a 5mm rise and oversize clamping diameter which increases control and stability during the shakiest of rides.

Bontrager XR Endurance Comp on this bike provides a good grip for better handling and control. Although its non-traditional shape can feel a bit weird, they make for a good resting place for your palms, which you will appreciate on longer journeys.

Saddles in Marlin 5 are pretty straightforward, they use two variants of Bontrager Arvada depending on male/female versions.

Sizes and Variants

This particular model is very popular with beginning Mountain Bikers because it has a wide range of sizes to choose from which ensures that you are always on the best possible fit for you. 7 sizes are ranging from XS all the up to 2XL and come in two variants in frames depending on the version.

The Female version is almost the same as the Unisex version of the bike only changes being a different saddle variant and If you choose a Female XS or S size then you’ll be getting a curved upper tube for some extra standover.

There aren’t many good trail bikes for Women in this price range but Trek Marlin 5 is a good choice considering the women-specific saddle and frames.

A detailed overview of sizes and measurements for finding the best fit for you is provided in the table below.

Trek Marlin 5 Size Chart

Wheels and Rims

When it comes to wheels, Marlin 5 has smart wheels size which means that you are going to roll with the largest wheels size possible depending upon the size. The wheels come in the two most popular sizes, 27.5” for XS and S and 29” for everything from M to 2XL.

So an L or M is a Trek Marlin 5 29er while an XS or S is a Trek Marlin 5 27.5er

Both wheel sizes are big enough to provide a smooth riding experience on an MTB and also offer a low center of gravity for a sturdier control.

The Merlin 5 rolls on a Bontrager XR2, 29×2.20˝ in the front, and 29×2.0˝ on the rear but you should know, however, that these wheels are not tubeless but I don’t think that’s a deal-breaker because we are focusing on getting the essentials right at this price point. Having said that, a quick-release front wheel is a plus for quickly swapping your front in case of any damage.

Forks and Suspension

Coming to the Forks, Marlin 5 runs an SR Suntour XCE 28 which is a 28mm stanchion fork with 100mm travel which falls into the recommended range of 80-120mm by most mountain bikers. The suspension also comes with a preload, which can be used to adjust the shock and spring of the bike to an optimum range of operation. When it is raised, the bike will be on top of its travel and the converse closer to the bottom of its suspension travel.

Marlin 5 comes with Tektro HD-275 hydraulic disc brakes as opposed to Marlin 4’s Mechanical disc brakes which offers a more responsive and reliable experience in all types of weather conditions.

Hydraulic brakes are more relevant when it comes to Mountain Biking because you often need to make quick turns and pace changes. Using traditional mechanical caliper brakes can not only wear your brake pads quickly but also become unreliable during damp weather conditions. You can completely count on disc brakes on this situation because it is proven to be more weather resistant and pairing it up with hydraulics will ensure that you don’t have to pull the brakes as hard.

Most people coming from bikes using non-hydraulics quickly appreciate how game-changing hydraulic brakes are.

Trek also paid close attention to smaller sizes and equipped XS and S sizes with short reach levers to make it easy for bikers with smaller hands.

Most of the components on this bike are from Shimano which are known to be very reliable in the Mountain Biking space and rightfully so. The drivetrain consists of shifters, derailleurs, chain, cassette, and crankset.

Trek Marlin 5 is set up with a Shimano HG200, 12-32, 7-speed cassette in the rear, and a Shimano Tourney TY301, 42/34/24 in the front. They both operate with the Shimano Tourney TY300 front and back derailleurs which offer a great variety of speeds and good shifting for both country trailing and rugged commuting.

One big pro with the Tourney setup is that they all work together perfectly with no off-brand components and there is no chance to cause any compatibility issues.

Marlin 5’s got Shimano Altus M310, 3X7 speed shifters which is a trigger shifters set up which you can easily operate with your thumb and index fingers quickly during your trial.

Trek Marlin 5 weight

So, How much does a Marlin 5 weigh? The Medium size comes in about 14.59 kg or 32.17 lbs when tubes and other components are attached.

This model has a combined weight limit of 136 kg or around 300lbs, this includes the weight of the biker, the bike and the cargo carried.

Trek Marlin 5 Price

Are trek bikes worth the money? let me tell you price is one of the main advantages for Marlin 5 because there are very few bikes that have a budget-friendly price tag while still maintaining that middle-ground between quality and price. This makes a huge difference because when a bike manufacturer wants to get the price down it is often reflected in the quality of the bike’s components.

You might have experienced this first hand if you used one of those target/Walmart bikes which try to sell people bikes with poor quality while still maintaining their profit margins. But unlike those other bike manufacturers, Trek found the perfect middle ground for a budget-friendly mountain bike which gets all the essentials right.

Looking at the specs sheet makes it quite apparent that Trek didn’t make many compromises with the quality as they use reliable components made by Shimano and Bontrager and not some off-brand company.

Like every other Marlin bicycle, Marlin 5 also comes with a lifetime warranty which is rare to see at this price range and always a sweet thing to have.

Trek Marlin 5 upgrades and accessories

As I previously mentioned above this is a great bike to get into trail riding and off-roading or just to see if you like the experience of Mountain biking before investing too heavily into it. But if you seem to enjoy and want to take the whole thing up a notch, upgrading some components will be in your best interests.

Marlin 5 is a great bike for normal to intermediate trail paths but if you are past those trails and want to enjoy more technical routes like mountain trails etc then investing in these components can make a great difference.

Trek Marlin 5 fork upgrade is one of the most recommended upgrades if you wish to improve your stability on a rocky/hilly path. This bike uses what’s called a G2 Geometry which means you can easily find and replace parts that fit your needs. If you have some good number of miles under your belt, I also recommend upgrading your grips and pedals but I would stop there.

While this is a good starter bike, I would suggest you switch to a better model specifically suiting your needs if you are willing to invest more in upgrading the components because investing in upgrading a starter bike has diminishing returns as you upgrade more and more as you have to worry about the core parts like frames and stem in the future.

With that being said these are some good upgrades you might want to consider for a more smooth riding experience.

There are some great accessories for Merlin 5 on the market because of its Blendr integration capability. After choosing a good mount for Blendr integration, I recommend this, your bike is ready for these cool accessories

I for sure think that some portion of Trek Marlin’s popularity comes from its design aesthetics and cool graphics. The design of the bike is easily on par with the more expensive bikes. And the colors of this model are very well chosen and suit all terrains and settings perfectly.

Trek Marlin 5 comes in three color options

• Matte Trek Black

Many fans anticipated an improved Trek Marlin 5 Red version (like the one in the past) which would have been very cool to see on the road but in my opinion all three look stunning.

We hope that you find this Trek Marlin 5 review useful, to clear a bit more on the topics there is a FAQ’s section below where we have included most frequently asked questions by customers.

According to Trek Bike Archives, Trek started making Marlin 5’s from 2015.

Trek Marlin 5 ranges around 500-600$ price range which makes for a budget-friendly bike for trail riding as well as commuting. Check the price here.

Front tires are mounted on Trek Marlin 5 using a quick-release front wheel, which enables you to swap out the damaged wheel and mount a new one with relative ease.

This depends on many factors like your height and inseam measurements. Find a comprehensive specific measurement table here.

Trek Marlin has disc brakes which means you should not oil them. Oiling aside even touching the rotors with your bare hands might contaminate the rotors with your body oils and decrease the braking capacity.

Oiling disc brakes are considered the number one cardinal sin so make sure to avoid it all costs. If by any means oil made its way to the rotors use alcohol or de-greaser with a kitchen paper or dry clean cloth to remove it.

It comes with a Bontrager alloy, 31.8mm, 7-degree stem which is Blendr compatible enabling you to mount different accessories.

The frame and most of the other skeleton are made of light-weight Trek Silver Alpha Aluminium which offers very good manoeuvrability and sturdiness still being pretty light.

With rack mounts available on the back of the Marlin 5, you can easily mount a child seat. One good suggestion would be this.

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Review Of Trek Marlin 5: Budget-Friendly MTB for Beginners

T rek Marlin 5 is a phenomenal, trail-ready 29er that costs little and gets the job done on different types of surfaces, including paved and unpaved roads.

Beginner riders are often faced with a tough dilemma — purchase a versatile and comfortable city bike to commute or a real MTB to have fun and embark on off-road adventures.

With Trek Marlin 5 Gen 2 , you can do both. This 29er has the ruggedness of a true trail-blazer but has the ability to double as an everyday workhorse to take on short urban commutes.

One of Marlin 5’s biggest advantages is the low price. This bike costs just $720 , which puts it in the budget category. Still, there’s a lot to be excited about even with such an attractive price.

Trek Marlin 5 Quick Overview

Marlin 5 main features, is trek marlin 5 the right choice for you, verdict: worth the money (or not), trek marlin 5 (2022).

Marlin 5 is characterized by an excellent off-road-ready aluminum frame, cushy front suspension, burly wheels and tires, hydraulic disc brakes and a lot more.

It’s one of the best-valued models from the Marlin series, offering multiple improvements compared to the lower-priced Marlin 4. Some of these are better brakes, better hubs, and a better bottom bracket.

It’s an entry-level bicycle, most suitable for beginner riders who plan to do a little bit of everything and too much of nothing.

• Frame : Alpha Silver Aluminum
• Fork: SR Suntour XCT 30, 100 mm
• Front Derailleur: Shimano Altus M315
• Rear Derailleur: Shimano Altus M310
• Brakes: Tektro hydraulic disc, 160/160mm rotors
• Rims: Bontrager Connection, double-wall
• Tire Size: 27.5″ / 29″ x 2.20″
• Weight: 13.97 kg / 30.81 lbs

See All Specs on Marlin 5 Product Page

If you have a budget of $740 to spend on your next trail bike, Marlin 5 is pretty much the most you can get in this category.

Trek is known for bikes that have good value to money, so this Marlin series model has some worthy components and does not make too many compromises.

Lightweight Alpha Silver Aluminum Frame

Trek Marlin 5 has the same Alpha Silver Aluminum frame seen on all bikes from this lineup. It is characterized by a versatile head tube angle of 69.5 degrees. That’s a good compromise between steep and slack geometry. That means this bike will perform well in most conditions, including climbing, descending, and cornering.

Light, durable, and comfortable Alpha Silver Aluminum frame is Marlin 5’s biggest selling point, seen on other more expensive bikes from Trek’s MTB lineup.

All cables are internally routed which makes them last longer and improves the overall appearance of the bike. Riders can add a rear rack and a rear kickstand, which would make Marlin 5 ready for daily commutes as well.

You can get Marlin 5 in four modern and attractive colors: Lithium Grey, Radioactive Red, Volt to Miami green fade, and Azure. They’re beautiful!

Springy SR Suntour Fork

Marlin 5 is equipped with a low-ranked SR Suntour XCT 30 fork with a coil spring. This fork is quite heavy but beginner riders without too much off-road experience will like it because it provides plenty of comfort.

When it comes to adjustability, just the preload function is available, so you can dial the fork to your liking and ensure a more comfortable ride and better responsiveness.

It’s important to note that the XS frame size comes with 80 mm of travel, whereas all other frame sizes have 100 mm of travel in the fork.

Best Feature: Hydraulic Disc Brakes

The feature that will make all Marlin 5 owners happy is the hydraulic disc brakes . This is the biggest improvement compared to the cheaper Marlin 4 which comes with mechanical disc brakes.

Hydraulic disc brakes present a major increase in stopping power and precision . They require less strength input from your fingers but offer more braking power output.

Trek has gone a step further and equipped the smaller frame sizes with short-reach brake levers to accommodate short riders with smaller hands.

Delicate Shimano Derailleurs

The main points of improvement on Trek Marlin 5 are its derailleurs. Compared to the previous releases, Marlin 5 has Shimano Altus components

Depending on how you take care of them, they might last you for years and miles to come. However, if you’re not careful and you shift under tension or you fall off your bike and smash them, they might give you some headaches.

Still, that’s not something an average rider planning to take Marlin 5 out on weekend adventures and weekday commutes should worry about. Plus, updating to higher-value Altus, Acera, or Alivio groupsets is not a big investment.

Beefy Bontrager Wheels and Tires

Last but not least, the beefy Bontrager wheels and tires are some of the first things you will notice on your Marlin 5. The 13.5″ and 15.5″ sized frames come with 27.5″ wheels, whereas all larger frames come with 29″ wheels.

The wheels are Bontrager Connection. They have 32 spokes, so they are quite strong, and they’re double-walled which means they can withstand some beating.

The Bontrager XR2 tires are 2.20″ wide on 27.5″ wheels. However, when it comes to 29″ wheels, the rear is narrower at 2.0″.

These wheels and tires are a bit heavier than ideal , but once you get them going, they’ll take you wherever you direct the handlebars.

Geometry & Sizing Table

We especially like it because it’s good at more than one thing.

Trek Marlin 5 is not strictly a trail-specific bike that would feel sluggish in all other settings. It’s equally efficient on both paved roads and dirt roads.

However, its wide tires, massive wheels, and capable hydraulic disc brakes still make it more suitable for riders who plan to spend more time in forests and on mountains than on smooth city streets.

Other Marlin Models

• Marlin 4 – MSRP $630 – Has a lightweight aluminum frame, 21 gears, 100 mm of front suspension, and strong mechanical disc brakes.
• Marlin 5 – MSRP $740 – Combines a light aluminum frame, plush SR Suntour suspension, entry-level Shimano drivetrain, and powerful hydraulic disc brakes in a good-looking trail package. Men and women-specific models available.
• Marlin 6 – MSRP $850 – This model is built with an Alpha Silver Aluminum frame, a 1×10 mid-range Shimano drivetrain, burly tires, and comes with 100 mm of front suspension travel with lockout. It’s available in men’s and women’s versions.
• Marlin 7 – MSRP $1,030 – Trek’s race-worthy model with an Alloy frame, superior RockShox front suspension, quality 1×10 drivetrain, Shimano components, and improved Shimano hydraulic disc brakes.

To the right buyer, Trek Marlin 5 is definitely worth the money . This is a lot of bike for just $740, specifically when it comes to the components. The hydraulic disc brakes increase the value of the bike, as well as the high-quality aluminum frame.

However, if you value every cent and you don’t intend to tackle steep hills or ride in wet weather, you can save and get Trek Marlin 4 with mechanical disc brakes and slightly lower-ranked hubs and bottom bracket.

Get Directly From TrekBikes.com

Or see best Trek bikes

• Alpha Silver Aluminum frame
• Powerful hydraulic disc brakes
• Good price-to-value ratio
• Attractive colors

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30 thoughts on “ review of trek marlin 5: budget-friendly mtb for beginners ”.

My wife and I just bought 2 29 inch Lithium Gray Marlin 5 Gen 2 bikes. So far so good other than a flat tire I experienced but that’s not Treks fault by any means. We like the weight and the smooth ride it has.

Trek 5 is my 1st Mountain Bike I have been riding it 3x a week Doing some hard bush trails. It really seems to handle all trails well. No one knows that my bike isnt really expensive . They all say “love your bike ” I just love my bike but will upgrade to a better Trek when I have obtained more skills. Thanks Natalie

Hi Natalie, Well as they say, a Trek is a Trek. The brand itself speaks for itself. It also depends on the kind of ride you do.

lol “my son doesn’t abuse his bike he just broke all of the most easily abused parts of it”

Hi Boknows, Sounds like a future athlete there 😉

Very helpfull!!! , thanks dude!

I am 15 and got my trek Marlin 5 a couple years ago. I have ridden some insane tracks on it and haven’t really had any issues. The only thing I’ve broken so far is the derailer hanger but apart from that nothing. I use it for riding on streets, dirt roads and mountain bike tracks of different difficulties including black diamond tracks. It is still working great and I would think of it as a good bike. I found that the seat post was originally at my good pedaling height when I got it at its lowest point but have now upgraded that to dropper.

Hi Jayden, Have you tried getting a regular maintenance check with your local bike shop? Regular maintenance check can help prolong the life of a bike 😉

I bought a 29″ blue Marlin 5 for my son’s 14th birthday 16 months ago and initially I really liked it. But, it’s been a flaming pile of broken parts since then. My son doesn’t abuse this bike (no downhill or big jumps) and mainly rides a few miles into town and occasional wheelies. Since new here’s the things that have broken on it: rear shifter cable, rear axle, right pedal stripped out of crank arm, left pedal stripped out of crank arm, rear axle again, right pedal stripped out of crank arm again and the chain broke (which pulled the rear rerailer into the spokes and ruined it). Our closest Trek dealer is an hour away so running to the bike store is a real issue but they have been pretty good about helping me out. I’m a metal fabricator and part time motocross bike mechanic so I have a good background in metals and how they should operate. I honestly feel Trek has build a cheap bicycle with metal parts using allows that aren’t appropriate and as thin as materials as possible to save weight at the cost of reliability. I just called Trek directly and we’ll see where that goes.

Hi Dough, Sorry to hear about your experience. It looks like your drivetrain and the whole groupset have issues. Usually these are the most abused parts of the bike and an upgrade to better parts will do better. However I am curious as to what they will tell you. Let me know about it. Cheers!

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Review of Trek Marlin 5 Gen 2

Trek Marlin 5 Gen 2 is an entry-level trail bike ideally suited for beginners and recreational riders who need a dependable hardtail to hit the trails or use for a daily commute.

It features Shimano Altus 2×8 components, hydraulic disc brakes, an 80-100mm travel fork, and comes in four stunning paint jobs. 

The Marlin 5 has been one of the best-selling mountain bikes in this price range for a good reason, and we expect the Gen 2 version to follow in its steps.

• Hydraulic disc brakes
• 100 mm of front travel
• Progressive wheel sizing
• Heavy coil fork

Trek Marlin 5 Gen 2 Full List of Specs

Trek marlin 5 gen 2 full review.

If you’re considering buying your first mountain bike or treating yourself to a brand-new bicycle you’ll use as an everyday workhorse and commuter; the Marlin 5 Gen 2 is a solid choice.

The Trek Marlin 5 is an entry-level trail bike that has a lot to offer to trail lovers. If you want to figure out whether this bike is right for you, check out our detailed review below!

Quality Frame and Fork

The base of the Trek Marlin 5 Gen 2 is the brand’s Alpha Silver aluminum frame with a sleek design and stable geometry, suitable for various rider needs. This frame features internal cable routing that protects your cables from the elements and adds to the bike’s clean look.

Marlin 5’s frame is available in eight sizes , so you’re guaranteed to find the perfect one for your height. The SR Suntour fork is basic but provides 100 mm (or 80mm on the XS) of travel to take the sting off light trails. This fork has a coil spring which makes it a bit heavy, but it comes with a preload function, which is a nice plus.

Precise Hydraulic Disc Brakes

The star of the show on the Trek Marlin 5 Gen 2 is its Tektro hydraulic disc brakes . We are always pleasantly surprised to see them on bikes below $1,000, as hydraulic discs are a rare find in this price range.

Thanks to these hydraulic disc brakes, the Trek Marlin 5 Gen 2 is a bike that performs well in all weather conditions.

Compared to all other types, hydraulic brakes output the most power and provide the most precision. Trek has even gone so far as to install short-reach levers on the smallest frames.

2.20″ Tires and Progressive Wheel Sizing

Depending on how tall you are and which frame size end up going for, your Trek Marlin 5 will come with either 26″, 27.5″, or 29″ wheels .

The XXS frame has 26″ wheels, the XS and S frames come with 27.5″ wheels, and all other sizes are 29ers. Progressive wheel sizing and a curved top tube on the smaller frames decrease the standover height of the bike and ensure a much better fit for all rider heights.

The rims on all sizes are Bontrager Connection. They’re double-walled and have 32 spokes, which means they’ll take plenty of abuse. The Bontrager XR2 2.2″ tires are not tubeless, but they will give you plenty of grip on the three different wheel diameters. The 27.5″ wheels have extra clearance for 2.4″ tires. 

Shimano Drivetrain

Another positive aspect of the Trek Marlin 5 Gen 2 is that the entire drivetrain comprises Shimano parts. Sure, they are entry-level quality, but they offer more than enough performance and precision for the average beginner trail rider.

The Marlin 5 Gen 2 has 16 gears on a 2×8-speed drivetrain and comes with a complete Shimano Altus M315 drivetrain , which is one quality class higher than Tourney. This compares to the previous model’s more complex and heavier 3×7-speed drivetrain. 

The crankset is 36/22t with 160mm cranks on the XXS and 170mm on the other sizes. This crankset pairs with a 12-32t cassette. 

Dependable Bontrager Parts

Bontrager is Trek’s in-house brand that makes numerous parts and accessories. The Bontrager label on Trek Marlin 5 Gen 2 can be seen on the saddle, seat post, handlebar, grips, and stem.

Trek makes all of these parts specifically for their bikes, which means they are 100% compatible and perform for a long time without any issues. However, one of this bike’s downsides is that the headset is not tapered , so you might have a harder time upgrading the fork if you ever decide to do that.

Trek Marlin 5 Gen 2 Sizing Chart

• XXS — 4’5″ – 4’9″ / 135 – 145 cm
• XS — 4’9″ – 5’1″ / 145 – 155 cm
• S —  5’1″ – 5’5″ / 155 – 165 cm
• M —  5’5″ – 5’8″ / 165 – 173 cm
• M/L — 5’8″ – 5’11” / 173 – 180 cm
• L —  5’11” – 6’2″ / 180 – 188 cm
• XL —  6’2″ – 6’5″ / 188 – 195 cm
• 2XL — 6’5″ – 6’8″ / 195 – 203 cm

Who Is Trek Marlin 5 Gen 2 Best Suited For?

Like any other bicycle, the Trek Marlin 5 will not be a good buy for everyone. It is an entry-level machine mainly intended for beginner riders and those who do not take cycling too seriously.

Trek Marlin 5 Gen 2 should be shortlisted by beginner riders who are looking for their first mountain bike to commute or explore the dirt roads in their area.

If riding a bike is a weekend activity or a mode of transportation for you, then Marlin 5 will meet and exceed your expectations. You’ll be able to cover thousands of miles on it without any upgrades and explore farther than before.

However, if your idea of cycling is to hit trails as hard as possible and test your skills and limits, then you should save a bit more money and invest in a bike with slightly better components.

Is Marlin 5 Gen 2 a Good Buy?

The value for money you get out of this bike leads us to conclude that the Trek Marlin 5 Gen 2 is an excellent buy . For around $700, you get a high-grade aluminum frame that’s light, rigid, and durable (it’s even found on some  more expensive Trek bikes).

The drivetrain is entry-level, but the brakes are powered by hydraulics which is the best setup you can get right now.

For this amount of money, it’s a bargain. Therefore, if you’re the type of rider we’ve described, the Marlin 5 Gen 2 is a purchase that will put a long-lasting smile on your face if you go forward with it.

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About the Author

Sam Millers

6 thoughts on “ review of trek marlin 5 gen 2 ”.

Thank you BIKEXCHANGE for helping me to make up my mind in purchasing the Marlin 5!

You’re welcome, Gwen! We’re happy we could help! Have fun with your new bike!

Great review. One question .. is this the old 5 or new 5 model? The new Marlin 5 design as I understand it being the old 5 plus aspects of Marlin 6 bike & otherwise that’s led to discontinuance of the Marlin 6 and only selling a Marlin 5 & 7 model going forward?

Much appreciated!

I am still riding my 2017 Marlin 6 its been too Hell and back. I live in the woods near Downtown Nashville 32 Thousand miles all pavement. riding in Hurricanes and Polor Vortex. Just got new breaks and Maxxis Hook Worm tires.I do circules around Gravel bikes.

Thinking about buying one of these and as an entry level rider seems like the best choice.

thanks for the review! it has made my mind up

The trek marlin 5 is a great bike. Bought for my wife, i sneak in rides. It isnt too heavy, the bigger 29″ tires are fun to feel a little bit higher off the ground. The braking system is fantastic and was a selling point for me.

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Trek Marlin 5 Review: The Best Entry-Level Mountain Bike Around

I reviewed the entry-level Trek Marlin 5 bike and compared it to similar bikes - how did it fair?

As an experienced rider, I know what it takes to make a good bike, whether that's a top-of-the-range road bike or an entry-level mountain bike .

Overall I found the Trek Marlin 5 to have plenty of positives, including hydraulic disc brakes and Shimano derailleurs - honestly, it doesn't stop there!

For a more in-depth look, continue reading my Trek Marlin 5 review!

Table of Contents

Full Specification

Key features, alpha silver aluminum frame.

Trek Marlin 5 comes with an impressive alloy frame and things are kept tidy with the cables being internally routed.

For an entry-level bike, this is most surprising (but also welcomed!). It is rare to see internally routed cables. I love it, it makes the bike look sleek and it stops the cables from collecting dirt and becoming damaged.

SR Suntour XCE 28 Suspension Fork

It comes with 100mm of travel suspension so when faced with rougher terrain, it excels. There isn't a moment when things feel too demanding for the Marlin 5 thanks to the SR Suntour XCE 28.

Bontrager Arvada Saddle

Trek appears to like to kit their bikes out with Bontrager components and you won't hear me complaining! This saddle is there to give you comfort on long days riding and it works well for the commuter too!

Shimano Tourney 21 Speed Drivetrain  

It's common to see Shimano Tourney components at this price point. The quality is good and you have options!

You can either choose between a 3 x front derailleur or if you wish to reduce weight, you can opt for a 1 x Shimano Tourney at the front.

Which one should you choose?

Choosing the 3x will give you greater flexibility but more to think about. The 1x system will reduce the number of gears but allows you to spend more time focusing on your riding.

I favor 1x systems for their simplicity. When you're mountain biking, needing to changing the big ring can be one thing too many to get used to, especially if this is your entry-level bike and therefore your first!

If you're looking where the bike could be upgraded in the future then it could be the Shimano Tourney TY300 parts. Whilst they are decent and they are certainly a fantastic starting point, there are better options out there. A small upgrade in the future could see you finding it easier to climb hills.

Tektro HD-275 Hydraulic Disc Brakes

Hydraulic disc brakes on an entry-level bike? Trek has nailed it.

For beginner riders out there, hydraulic disc brakes are (for many, not all), the best type of braking system there is.

A slight touch on the brake levers is all you need to get a response...you don't get that from mechanical discs or rim brakes.

I came to fully appreciate hydraulic disc brakes going down Coll de sa Batalla for the first time, where I gripped on like my life depended on (it felt it did).

Since then. No turning back for me, there's only one form of brake system for me!

Bontrager XR2 27.5/29 x 2.2/2.0” Tires

Another Bontrager component!

These tires are of brilliant quality and they excel on mountain roads as well as gravel.

A downside to them is that they don't perform as well when things get muddy.

Wheel Sizes

There are different wheel sizes depending on the bike size you get.

The XS frame comes with 27.5" wheels.

Whereas, anything above that frame size gets 29" wheels.

At 5'4 in height, a lot of manufacturers would like to see me on 27.5" wheels, however, I ride 29ers on my MTB. I find this to be more comfortable and I don't feel hindered by having larger wheels.

What I'm saying is, test some bikes out, get a feel for what you like. Rules are there to be broken!

As I briefly touched upon earlier, the Marlin 5 comes with an alpha silver aluminum frame.

An alloy frame is a popular choice within this price bracket as it doesn't add extra weight to the bike as a steel frame would but it provides a good level of durability for a mountain bike.

Whilst you do get a good amount of durability, you have to factor in that this is a bike on a budget and it can't take on everything. It isn't designed for jumping so this is something to keep in mind if you're wanting a bike for serious trails.

All of the cables are internally stored in the bike, helping it to have a cleaner, more stylish look as well as improve the durability of the cables. 

The bike is available in three attractive colors, including black, green, and teal. These shades are uniquely beautiful and well-selected, so every cyclist will find the right color for them.

You can add a rear rack and kickstand to the Marlin 5’s frame, which makes this model a great choice for commuters, as well as adventurous cyclists. 

Do keep in mind that if this mountain bike was made of carbon fiber, it wouldn’t weigh the frame down as much, but the Trek Marlin 5 would come in at a much higher price point.

On Which Terrain Does The Trek Marlin 5 Perform Well?

We have to keep in mind that the Trek Marlin 5 is an entry-level machine so it isn't designed to be ridden by an expert rider, taking it on challenging trail riding.

Saying that the Marlin 5 is capable of rougher terrain and it works well as a trail bike. I'd always suggest that you check what the difficulty levels are before you hit the trail.

[Want some beginner tips? Check this out]

Bontrager Components

Let's clear something up for beginner riders getting into mountain biking.

Trek fits their bikes with 'Bontrager' parts. This is a Trek brand and made in-house.

For some brands, this isn't a sign of quality, yet this isn't the case here. Bontrager is a sign of quality.

On the Trek Marlin 5, Bontrager features a lot; the seat, seat post, handlebars, grips, and stem.

The stem is Bontrager alloy,  31. 8mm 7-degree Blendr compatible .

One of the best things about using these parts is that they are truly compatible across the Trek range of bikes.

As they are made by Trek, for Trek, the parts are made with the precise specification of their bikes so everything will fit seamlessly together!

For beginner riders, this is perfect as you won't need to give much thought about whether you're buying the correct parts.

[Check out this video from Trek for an overview of the range.]

Alternatives To The Trek Marlin 5

Without a doubt the Marlin 5 is feature-rich but how does this entry-level mountain bike compare to other bikes?

Trek Marlin 5 Vs Marlin 6

The first difference has to be the cost, the Trek Marlin 5 comes is quite a lot less than the 6 - this makes it an ideal first trail bike for those new to mountain biking, or those on a budget.

Having said that for trail riders looking to spend a bit more money, you do get a durable fork, a 2x drivetrain - including a better groupset and you even get a lighter bike!

One thing I do like with the Trek Marlin 6 is that there is the option to have either a man's frame or a women's. Whilst I find that women can ride men's bikes, it's nice to have an angled top tube.

You also get more options to customize certain features, so if you fancy a different wheel size, then the Marlin 6 can cater to that.

The standout benefit would be the upgrades with the fork - the fork on the 6 is a fair bit lighter than that on the Marlin 5. This reduces the weight of the bike, making biking trails or the commute easier.

Equally, the fork has a lockout and preload function so you are able to completely lock the fork to increase how efficiently you pedal - making your adventures easier!

Trek Marlin 5 Vs Giant Talon 3

The Giant Talon 3 has some good reviews and they're well deserved. In a lot of ways, these entry-level bikes are similar so are there any features that set them apart?

When compared to the Marlin 5, the Talon 3 seems to offer more traction when pedaling. This could potentially mean that as a rider, you don't feel as safe underfoot on the Trek Marlin and you could find that you're more likely to slip.

Though, the Trek Marlin 5 does give you a greater range of color types to choose from. So for trail riders who want to make their bike their own, the Trek could be the way to go.

There is a difference in wheel size too, with the Trek Marlin 5 you get 29" wheels, whereas Giant Talon 3 gets 27.5". Which one is better will come down to what you want from a bike.

The 27.5" wheels do mean the bike is lighter, which could be an appealing bicycle option to the commuter, beginners, or anyone who wants a bit more control!

Both hardtail mountain bikes have plenty to offer and the specifications are similar. For me, it all comes down to wheel sizes and the experience you want when you're cycling.

[Want to read more about the Talon 3? Find out here. ]

Trek Marlin 5 FAQs

Can i do tabletop jumps on the trek marlin 5.

The Marlin 5 is part of Treks' entry-level range and is not suitable to be taken on any type of jumps.

The wheels and tires are not designed to cope with jumps and could bend, even on a small jump so don't try it!

Can I Use Tubeless Tires On The Trek Marlin 5 bike?

Unfortunately not. The wheels aren't compatible with tubeless tires.

However, the wheels and tires are robust and suit mountain bikes well.

Does the Trek Marlin 5 have lockout suspension?

The Marlin 5 doesn't have a full lockout suspension. You do get a coil spring that has a pre-load adjuster though.

[Here are some ideas for when you really want to push yourself! 😉 ]

Related Posts:

• Best Budget Mountain Bike: Entry-Level & Mid-Range MTBs
• Trek 820 Review - The Ultimate Bike For A New Rider?

Final Thoughts

If you're wanting performance on a budget, there are plenty of plus points from this 29er.

The aluminium frame and Shimano Tourney components give the Trek Marlin 5 something to shout about.

Let's not forget the hydraulic disc brakes, making them ideal for dirt roads or a commute in any weather conditions. Braking at all speeds shouldn't be an issue with disc brakes.

Overall I have positive things to say about this bicycle. All terrains, mountains, trails, or commutes, the Trek Marlin 5 can do them all!

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Trek Marlin 5 2022 Review

March 2, 2023

‍ Key Takeaways

• The Trek Marlin 5 is great for a sturdy, capable commuter or getting into mountain biking.
• A coil spring suspension fork, Tektro hydraulic disc brakes, and Shimano gearing give great value.
• The Marlin 5 has a lot of great features like internal routing and rack mounts improve functionality.
• Rear rack mounts and a kickstand mount make the Trek Marlin 5 a good bike for commuting.
• If you’re serious about mountain biking, I’d recommend upgrading to a more trail-worthy bike.

This article may contain affiliate links where we earn a commission from qualifying purchases.

‍ This Trek Marlin 5 2022 review gives you all the details you need to decide if this budget hardtail is the right bike for you.

The Trek Marlin 5 is a solid bike for the price, but just a bit more money could get you a lot more bike. If you’re looking for a daily rider that’s comfortable on your local tails, the Marlin 5 will serve you well with a solid aluminum frame and reliable components.

I got my first mountain bike when I was twelve, and I’ve ridden everything from ultra-budget hardtails to high-performance racing rigs. For this review I dug deep into the spec’s and performance of the Trek Marlin 5 to see how this budget mountain bike measures up to the competition.

TABLE OF CONTENTS

‍ ‍ ‍ Trek Marlin 5 Performance

The Trek Marlin 5 is definitely an entry level mountain bike, so you shouldn’t expect serious capability for really technical trail riding. It does give you decent performance on easier flowy trails and definitely is enough bike to get you started in the sport.

The aluminum frame is durable and relatively light, so this bike feels rugged enough for taking on off-road riding and singletrack. It has enough capability for beginner riders, but you’ll quickly feel held back as your skills progress.

The Trek Marlin 5 definitely doesn’t have the same descending capability as a real trail bike, but it’s sturdy enough to handle some flowy singletrack.

The 100mm of front suspension isn’t very much, and you’ll find it bottoming out if you ride on very rocky, rough trails. The geometry is also limiting with a very steep head tube angle and short reach that will leave you in a sketchy position on steep descents.

The steep seat tube angle puts you in a good position for climbing efficiently. At under 31 lbs, this bike is relatively lightweight for it’s price and doesn’t feel like it’s slowing you down on the uphills.

If you’re looking at a bike like this, it’s likely it will be your only bike and will be used for multiple purposes. From trails to bike paths to cruising around town, the Trek Marlin 5 offers great versatility. I’ve used mountain bikes for commuting for years, and I think the Marlin 5 would be a great option for a commuter.

This bike is perfectly functional for commuting and comes with features like a kickstand mount and rear rack mounts so you can fully equip it for getting around town.

Trek Marlin 5 Gen 2 Frame and Geometry

The Trek Marlin 5 is built around Trek’s Alpha Silver Aluminum frame which is durable and relatively lightweight. It’s awesome that this budget frame has internal cable routing that keep your shifting and brake lines protected and hidden away inside the frame. Combined with a chainstay disc brake mount, this makes the bike look sleek and clean.

The geometry is on-par with what you’d expect for a basic hardtail mountain bike, so you won’t get the most aggressive positioning. This geometry puts you in a nice comfortable position that’s great for all-around riding. Just don’t expect to feel comfortable on super steep trails.

Specs and Components

For the $740 price, the Marlin 5 gets you a decent selection of features including hydraulic disc brakes, a coil-sprung suspension fork, and reliable Shimano shifting. The components are nothing fancy, but they perform to my expectations for a budget bike.

The Marlin 5 comes equipped with a 2x8 Shimano Altus drivetrain for 16 total gears to choose from. This setup is a bit old-fashioned as most modern mountain bikes have shifted to one-by drivetrains for simplicity.

The Suntour XCM coil spring fork gives you 100mm of front suspension travel that helps smooth out bumps and chatter in the trail. It also has a hydraulic lockout so you can improve your efficiency on pavement.

This coil sprung fork doesn’t have as much adjustability as a higher end air fork, and it’s not lightweight, but it works well for the price.

The Trek Marlin 5 Gen 2 comes with Tektro HD-M275 hydraulic disc brakes. If you’re looking at getting a budget mountain bike, this may be the first bike you’ve ever had with powerful hydraulic disc brakes, and you’ll be amazed by the power and modulation you get over other mechanical disc brakes or V-brakes.

Brakes are an easy-to-overlook feature for mountain bikes, but they make a huge difference in giving you confidence to ride fast knowing that you’ll be able to stop at a moment’s notice.

This bike comes with Bontrager alloy wheels. For this model Trek chose to have wheel size depend on the frame size. XXS comes with 26” wheels, XS and S come with 27.5” wheels, and M and above come with 29” wheels.

I think this is a pretty smart way to do wheel sizing for a bike like this. On small frame sizes, the rear wheel can be annoyingly close to the seat tube. Variable wheel sizing ensures that riders of all sizes have a frame and wheel size that feels easy-to-control.

The wheels are not tubeless compatible and use a schrader valve, so you’ll be limited if you’re looking to upgrade tires.

The Bontrager XR2 Comp wire bead tires on the Trek Marlin 5 are nothing special, but they work well for giving grip in a wide range of conditions. They aren’t particularly lightweight or aggressive, but they do the job.

Other Components

• The Bontrager alloy handlebar is a good width that gives you control on the trail or in traffic.
• The Bontrager Arveda saddle with steel rails is durable and comfortable on longer rides.
• The bike has a durable and lightweight Shimano aluminum crankset.

Competition for the Trek Marlin 5 Gen 2

At $750, the Trek Marlin 5 is at the lower end of the price range for mountain bikes. There are a lot of bikes to choose from in this category so it’s hard to stand out. The Marlin 5 does a good job of providing high-value features and components, but it isn’t anything unique in the category.

In my opinion, the Trek Marlin 5 is at the edge of the price cutoff where you can start to get a really capable aluminum hardtail for trail riding. Unfortunately, I think it falls on the wrong side of that cuttoff.

The Trek Marlin 5 is a perfectly functional mountain bike for everyday use and occasionally hitting the trails, but if you want to spend more time on singletrack and develop your skills, there are better options.

Read on to see some other options to consider, including two of the best mountain bikes you can buy if you’re on a budget: the Marin Bobcat Trail 4 and the Canyon Grand Canyon 5.

Trek Marlin 5 vs Marin Bobcat Trail 4

For a more trail-worthy bike at a similar price, the Marin Bobcat Trail 4 is a fantastic option that’s built for progressing mountain bikers. At $800, the cost is only slightly more than the Trek Marlin 5, while the design and components make this a more capable trail bike.

The Bobcat Trail 4 has the same coil spring suspension fork and hydraulic disc brakes as the Marlin 5 and comes with a super reliable Microshift Advent 1x9 drivetrain. This budget 1x drivetrain offers fantastic value with wide 11-46 cassette gear range and a clutched rear derailleur. This drivetrain will be a big upgrade for trail riding.

The biggest difference between these two bikes is in the frame and geometry. Marin has done a much better job of bringing progressive modern mountain bike geometry into this budget frame. The slacker head tube angle and longer reach will make the Bobcat Trail feel much more confident on singletrack.

Personally, I would definitely recommend the Marin Bobcat Trail 4 over the Marlin 5 as it has more capability to ride well on trails as you progress your mountain bike skills. For $200 more you can upgrade to the Bobcat Trail 5 for even more capability.

Trek Marlin 5 vs Cannondale Trail 6

The Cannondale Trail 7 is a popular entry-level aluminum hardtail that competes with the Trek Marlin 5 in price point and specs. There really isn’t too much differentiating these bikes. Both have basic but sturdy aluminum frames, 2x8 drivetrain setups, 100mm Suntour forks, and similar geometry.

One advantage of the Marlin 5 is that it comes with 29” wheels for size medium and above, where the Cannondale Trail 7 only has 27.5” wheels across the sizes.

Trek Marlin 5 vs Canyon Grand Canyon 5

If you can scrape together just a little bit more cash, the Grand Canyon 5 is an incredibly high-value mountain bike that delivers a lot more bang for your buck than the Marlin 5.

With a 1x12 Sram Shimano Deore drivetrain, a better suspension fork, better Shimano hydraulic disc brakes, and a lightweight aluminum frame with trail-ready geometry, this bike gives you a boatload of functionality that’s left off a mountain bike like the Trek Marlin 5.

Because of their direct-to-consumer model, Canyon is able to offer bikes at significantly lower prices than most manufacturers. The Grand Canyon is just $900. In my opinion, this is one of the best value hardtail mountain bikes on the market.

Where to Buy the Trek Marlin 5 Gen 2

• Direct from Trek
• High Mountain Sports
• Your local bike shop

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About THE AUTHOR

Jakob Thygerson

I love mountain biking and live in Salt Lake City: a central hub for the MTB community. I started biking four years ago when a series of injuries put me out of commission for trail running. While biking started as cross-training, I fell in love with the sport. I mainly enjoy using my bike as a tool for exploration, I've done 50-mile all-day epic rides in the mountains and have been to some amazing places on my bike.

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Tire recommendations (Trek Marlin)

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I have a Trek Marlin 5 that came with some XC-style tires that are really best suited for paved paths and gravel. I am looking for something to really give me some grip, but this being my first real bike, I have no idea what I'm doing. I like chunky tech sections but I ride just about every trail I can. For reference, I live in the Cincinnati, OH area. Anybody that has/ has had a Trek Marlin please comment what tire setup you had. I'm not on a budget but the cheaper the better.  

I live in southeast Michigan, so our riding conditions are probably similar: Dry sandy hardpack with some roots and smooth rocks. What tires are you on now? Sounds like you want something intermediate to aggressive. There are so many great choices, it is hard to make just one recommendation! For an intermediate tire: Specialized Ground Control or Purgatory. Not cheap at $55 each, but very high quality. I have a 2.1 Gound Control, and it is a great all-around tire. I shoulda got the 2.3 for the bigger volume, as i'm enjoying higher volume tires these days. Specialized Butcher is the more aggressive option. Very nice tire, but I thought it was slightly vague in corners compared to the DHF. Bontrager XR3. Cost is similar to Specialized. never tried it, but gets great reviews. The XR4 is the more aggressive upgrade. Continental Trail King (I think) gets good reviews. Performance Forte Pisgah II are excellent and very inexpensive if you can find them. I got several for $17-$24. The Maxxis DHF is a legendary front tire. If you shop around, you may get one for $55 or so. It provides incredible cornering traction, but is heavy and does have a mild learning curve. Vittoria has the Morsa. I think you can get the On-One Chunky Monkey for around $25. It is heavy, but allegedly has tenacious grip. And, about 100 others I've forgotten! Good luck! Bob  

Thank you! Yes, lots of roots and rocks here too. Right now I am running the Bontrager XR2's that came with the bikes. The trail king is looking like a pretty good option and definitely considering the DHF. There are so many tires! I found an XR4 for sale and I was wondering, does it matter if my rear tire is wider than my front? I'm thinking I can squeeze in a 2.3 XR4 or a 2.4 Trail King, but I am worried about how the ride would be with a thinner (2.2-2.3) tire up front.  

People usually place the wider tire on front for enhanced control. You can often do fine with a rear tire with less grip ( narrower or less aggressive), as it serves as a kind of safety valve: the rear will usually slide first, allowing a better chance of recovering from the loss of traction. If the front lets go, you are probably toast. Many also run a less aggressive rear as they tend to roll faster. On mine and my wife's hardtails, I have Hutchinson Cougar 2.4 front, and Bontrager XR2 2.2 rear. It is a very personal choice. I rode for over a decade on Hutchinson Python 2.0. Michigan, Ohio, North Carolina, Montana, Wyoming, Utah, Nevada, Pennsylvania, and others. People couldn't believe I was blasitng Pisgah on those tires, but I was skilled, strong and young. Not any more! I still love fast tires, but more often err on the side of more grip on the front. You can also look at what people are running in your area. Bob  

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Trek Marlin 5

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Weight / M - 14.44 kg / 31.84 lbs (with tubes)

At a glance

Where to buy.

"Look fast, feel fast, go fast."

"Unlike some bikes on the cheap end of the spectrum that cater to the recreational user, this one is aimed firmly at entry-level riders who want a bike that's affordable yet capable of riding and racing hard."

Specifications

• Frame Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
• Fork Size: XS SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel Size: S SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel
• Tires Size: XS , S Size: M , ML , L , XL , XXL
• Chain KMC Z7, 7 speed
• Crank Size: XS , S , M Shimano Tourney TY301, 42/34/24, 170mm length Size: ML , L , XL , XXL Shimano Tourney TY301, 42/34/24, 175mm length
• Shifters Size: XS , S , M , ML , L , XL , XXL Shimano Altus M315, 3 speed Size: XS , S , M , ML , L , XL , XXL Shimano Altus M315, 7 speed
• Cassette Shimano HG200, 12-32, 7 speed
• Brakeset Size: XS , S Tektro HD-M276 hydraulic disc, short reach lever Size: M , ML , L , XL , XXL Tektro HD-M275 hydraulic disc
• Handlebar Size: XS Bontrager alloy, 31.8mm, 5mm rise, 690mm width Size: S , M , ML , L , XL , XXL Bontrager alloy, 31.8mm, 5mm rise, 720mm width
• Saddle Bontrager Arvada, steel rails, 138mm width
• Seatpost Size: XS , S , M Bontrager alloy, 31.6mm, 12mm offset, 330mm length Size: ML , L , XL , XXL Bontrager alloy, 31.6mm, 12mm offset, 400mm length
• Stem Size: XS Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length Size: S
• Headset Semi-integrated, 1-1/8''

Q: Where to buy a 2021 Trek Marlin 5?

The 2021 Trek Marlin 5 may be purchased directly from Trek .

Q: How much does a 2021 Trek Marlin 5 weigh?

A 2021 Trek Marlin 5 weights M - 14.44 kg / 31.84 lbs (with tubes).

Q: What size 2021 Trek Marlin 5 should I get?

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Trek Marlin 5 ( 2022 ) Review – The Verdict!

Trek Marlin 5 is a fantastic mountain bike for the trails. The new 2022 model is an even better trail-worthy daily rider for most people looking for an affordable option by an excellent bike brand .

This bike comes with everything you might need in a trail bike – a 2×8 drivetrain, a good suspension fork, many mounts for racks and a kickstand, and mechanical disc brakes.

The last model ( 2021 ) of Marlin 5 has been featured ( “ Great Value and Performance ” award ) as one of the most incredible budget mountain bikes of the year. Read the full article here .

Trek Marlin 5 ( 2022 ) in a glance:

The Frame & Suspension Fork

Trek Marlin 5 features a high-quality Trek Alpha Silver Aluminum frame from the last model, Trek Marlin 6 ( 2021 ), but in a different color scheme. The frame looks and feels great with the internal cable routing, which means all your shift and brake cables go inside the frame for a clean and simple look.

You also get a rear kickstand mount (sold separately ) and rack mounts if you plan to use the Marlin 5 for long rides.

The front fork is the same as Trek Marlin 6 from 2021 and is the most significant upgrade from the Marlin 5 of 2021 – SR Suntour XCT 30 . It offers a hydraulic lockout to have a fully rigid fork or a full suspension fork. This is a great option for anyone who wants to ride Marlin 5 on extended road sections where efficiency should be much better with a rigid fork.

Drivetrain and Other Components

Everything here also matches the Marlin 6 ( 2021 ), which means many exceptional components on top of the aluminum frame. Let’s start with the most important one – the drivetrain.

Trek Marlin 5 is now set up with a 2 x 8 drivetrain, with just 2 rings in the front ( the previous model had 3 ) and 8 speeds at the back ( the previous model had 7 ). As you might expect from a Trek bike, the entire groupset is Shimano Altus – a second-tier groupset in the Shimano hierarchy. We love Altus for its affordability and the amazing shifting it offers.

As a result of this change from the last model, you get a similar range just now with 2 rings up front, which means you will need to do quite a bit less shifting.

The shifting itself is commanded by simple Shimano Altus trigger shifters. They are simple to operate and very reliable in the long run.

Trek Marlin 5 Brakes

Similarly priced mountain bikes often come with simple mechanical disc brakes, but we have a much better braking system here.

To bring the bike to a slow, you’ve got some Tektro hydraulic disc brakes – these are going to be mineral oil brakes which means they’re going to perform amazingly in all types of conditions. They use a two-piston caliper on 160mm rotors in the front and the rear.

Read more: Hydraulic vs. Mechanical Disc Brakes

Smart Wheel Size

Trek is a brand that is well known for the vast variety of sizes that are available for most of their mid-priced and high-end bikes. But now, you can find the best bike size for you, even for entry-level models like the Marlin 5.

Trek Marlin 5 comes with the so-called smart wheel size. This means you get a different wheel size on the various frame sizes. The bike can roll on 26”, 27.5”, or 29” wheels.

Here’s a simple table with the sizing:

Trek Marlin 5 ( 2022 ) – The Verdict!

Should you buy it, shortlist it or avoid it? Here’s our conclusion. We think that you should buy the Trek Marlin 5 ( 2022 ) . If you can spend around $700 for an entry-level mountain bike for the trails, then this bike should be on the top of your list. If your budget is less than that, but you still want a decent mountain bike, check the Cannondale Trail 8 ( 2021 ) .

Passionate cyclist since 1991

Alek Asaduryan is the founder of YesCycling and has been riding bikes and in the cycling industry since 1991. Since then, his mission is to make cycling more accessible to everyone.

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Hello, i have a Trek Marlin 5 Gen 2 2023 and i need a middle axe replacment. Please can anyone point me in the right direction? Thank you.

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2023 Trek Marlin 5 Gen 2 Review

Are you searching for a new bike that can take care of your weekend bikepacking getaways, mountain rides and city commutes? 

The 2023 Trek Marlin 5 Gen 2 is a highly rated mountain bike and a perfect choice for riders who want to explore the mountain trails.

Trek Marlin 5 Gen 2 is one among the best entry-level series of trail bikes designed by bike mogul Trek. 

The Marlin 5 from the series comes with an Alpha Silver Aluminum frame, extended range gearing and fast-rolling 29er wheels on the larger frames and 27.5 on the smaller sizes.

This model has so far earned a lot of positive reviews among its users across different categories like value, quality parts, stability and performance etc.

In this article we will review the Trek Marlin 5 Gen 2 in detail and discuss why it could be the right pick for you if you are looking for an affordable yet reliable mountain bike suitable for casual rides as well occasional adventures.

The 2023 Trek Marlin 5 Gen 2 is one of Trek’s latest mid-level hardtail mountain bikes. 

It’s designed for riders who are looking for a more nimble, more competent, and durable ride to tackle everyday terrain. 

This review will provide an in-depth look at the bike’s components, design, and performance capabilities to help you decide if it’s the right bike for your needs .

The 2023 Trek Marlin 5 Gen 2 is so much more than just an upgrade to the classic Trek Marlin family; it’s a bikepacking and gravel grinding tank. 

With its redesign for this year, the fully redesigned frame has been constructed from lightweight aluminum and equipped with Bontrager Connection wheels, SR Suntour XCT 30 fork and a Shimano Altus drivetrain to ensure smooth shifts on your off-road excursions.

Armed with a low-resistance Suntour lockout fork, you’ll also be able to customize your setup to suit your style of riding. 

It can confidently take on obstacles big or small thanks to its versatility across terrains. It’s even equipped with rack mounts for added convenience when bikepacking !

– Lightweight aluminum frame construction

– 29″ Wheelset

– SR Suntour XCM 30 with 100mm travel and lockout fork

– Shimano Altus drivetrain

– Rack Mounts for added convenience when bikepacking or commuting

– Versatile on Trails of all Types and Terrain Profiles

– Customizable Setup to Suit Your Riding Style

The Trek Marlin 5 Gen 2 has an Alpha Silver alloy frame that weighs only 30.81 lbs, making it lightweight yet highly durable, so you can enjoy responsive handling with just the right amount of flex on challenging trails. 

The geometry also provides a low center of gravity for superior control when navigating uneven surfaces and tight turns.

The 2023 Marlin 5 comes equipped with Bontrager Connection 29er wheels on sizes M-XL, 27.5 on small, that feature double wall rims and Bontrager XR2 Comp tires – both offering greater stability and durability while still providing excellent grip on slick surfaces. 

The rims are tubeless compatible so you can easily liven up their performance without having to buy an extra set of tires or tubes.

Trek equipped the Gen2 with a Shimano Altus 2×8 speed drivetrain that offers top tier shifting performance while Tektro HD-M275 hydraulic disc brakes provide plenty of stopping power on steep descents or in unpredictable conditions. 

The 2×8 setup also makes it easy to maintain your gear ratio through variable terrain so that you can maximize your ride experience without worrying about changing gears too often. 

The Shimano M315, 36/22 crankset is paired to a reliable 12-32, 8 speed cassette.

Overall Performance

With its lightweight frame paired with high-end components, the Marlin 5 Gen 2 is one of the best value trail bikes on market today! 

It handles jumps, drops, roots and rocks superbly thanks to its low center of gravity combined with its suspension fork which absorbs shock disturbance very effectively while keeping your speed steady even over rough terrain.

Its 16-speed drivetrain makes tough inclines less intimidating while still being able to cruise along flat trails on top gear – giving you ultimate control over your journey! 

Thanks to its alloy frame and durable components that contribute greatly towards prolonged life span meaning you’ll have many years of thrilling adventures before needing an upgrade!

Order online and have it shipped to your local dealer for final assembly!!

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• Crosscountry
• Rider Notes

2019 Trek Marlin 5

A 27.5″ / 29″ aluminum frame hardtail crosscountry bike with mid-range components. Compare the full range

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Based on frame geometry and build specs.

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

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This cheap mountain bike is the perfect gateway drug to your next (trail riding) addiction.

Wide range of gears with 2x9 drivetrain

Wheels and tires aren’t tubeless-ready

Read Review

Jun 2019 · Alan Muldoon

The first of two 29er to make it into the sub 500 category, the Trek Marlin 6 certainly didn't behave like a fish out of water.

Top-rate frame quality, available in seven sizes Independent Shimano shifters

Cable and chain rattle. Rear tyre is too skinny

Last updated April 28 Not listed for 1,804 days

Trek Marlin 5 vs 7: Detailed Comparison

If you are looking for a reliable and versatile mountain bike, you might be wondering which model to choose from the Trek Marlin series.

The Trek Marlin 5, 7, and 8 are all popular options that offer different features and performance levels.

We will compare these three models and help you decide which one is best for you based on the following criteria:

Table of Contents

Frame and Build Differences

All three models have an aluminum frame with internal routing, a chainstay disc brake mount, a rack and kickstand mount, and a 135x5mm quick release rear axle. The frame geometry is designed to provide a comfortable and confident ride on various terrains, with a balanced head tube angle, a short chainstay length, and a low bottom bracket height. The frame sizes range from XXS to XXL, depending on the model, and the wheel size varies according to the frame size. The Marlin 5 has 27.5″ wheels for XS-S frames and 29″ wheels for M-XXL frames. The Marlin 7 has 27.5″ wheels for XXS-S frames and 29″ wheels for M-XXL frames. The Marlin 8 has 26″ wheels for XXS frames, 27.5″ wheels for XS-S frames, and 29″ wheels for M-XL frames.

Component Variation

The two models Marlin 5 and Marlin 7, differ significantly in their components, particularly in the suspension fork, wheels, tires, drivetrain, and brakes.

Suspension Fork

Starting with the suspension fork, the Marlin 5 is equipped with a SR Suntour XCE 28 fork featuring a coil spring, preload adjustment, and 100mm travel (80mm for the 13.5″ frame). The Marlin 7 boasts a RockShox XC 30 fork with similar coil spring and preload adjustment but adds a TurnKey lockout and maintains a 100mm travel.

Wheels and Tires

Moving on to the wheels and tires, distinctions continue. The Marlin 5 sports Bontrager Connection double-wall rims, Formula DC20/22 hubs, and Bontrager XR2 Comp tires (2.20″). In contrast, the Marlin 7 upgrades to Bontrager Koove double-wall tubeless-ready rims, Formula DC20/22 hubs, and Bontrager XT3 Comp tires (2.40″).

In terms of the drivetrain, the Marlin 5 adopts a Shimano Tourney/Altus 3×7-speed configuration, including a Shimano TY300 rear derailleur, a Shimano Altus M315 shifter, a Shimano HG200 cassette (12-32T), and a Shimano FC-TY301 crankset (42/34/24T). The Marlin 7 transitions to a Shimano Acera/Altus 2×9-speed setup with a Shimano Acera M3000 rear derailleur, a Shimano Altus M2010 shifter, a Shimano HG200 cassette (11-36T), and a Shimano MT210 crankset (36/22T).

Braking System

Finally, the braking systems differentiate further. The Marlin 5 employs Tektro HD-M276 hydraulic disc brakes with Tektro levers and 160mm rotors. The Marlin 7 upgrades to Shimano MT200 hydraulic disc brakes with Shimano levers and maintains 160mm rotors.

Performance Variances

When assessing the performance of each model, it is crucial to consider factors such as the type of terrain, the rider’s skill level, and personal preferences.

Gearing Rangs

The Marlin 5, characterized by its lower gearing range, excels in uphill pedaling, offering ease of ascent but may exhibit a slower pace downhill. In contrast, the Marlin 7, featuring a slightly higher gearing range, tends to be faster on descents but requires more effort on uphill sections.

Fork weight plays a significant role in a bike’s responsiveness, and the Marlin 5, equipped with the heaviest fork among the three models, introduces added weight that may affect agility. The Marlin 7, with a lighter fork, enhances handling and comfort, striking a balance between weight and performance.

Tire’s Width

Tire width contributes to a bike’s traction and stability, and the Marlin series reflects this diversity. The Marlin 5, featuring the narrowest tires, excels in reducing rolling resistance and maximizing speed. The Marlin 7 adopts wider tires for improved traction and stability.

Number of Gears

The number of gears influences a bike’s versatility and efficiency. The Marlin 5, with the fewest gears, limits options for finding the optimal cadence. The Marlin 7 offers more gears, enhancing versatility and efficiency across various terrains.

Ultimately, the choice between these models depends on individual riding preferences and the specific demands of the intended terrain.

Price and Value Analysis

The price of each model reflects the quality and quantity of the components, as well as the availability and demand. The Marlin 5 is the cheapest model of the three, with an MSRP of $739.99 USD. The Marlin 7 comes with an MSRP of $999.99 USD.

The value of each model depends on the rider’s budget, expectations, and needs.

The Marlin 5 is a good value for beginners and casual riders who want a reliable and affordable mountain bike that can handle light to moderate trails. The Marlin 7 is a better value for intermediate and advanced riders who want a more capable and comfortable mountain bike that can tackle moderate to challenging trails.

The Trek Marlin 5, 7, and 8 cater to diverse rider preferences and terrains, with distinct variations in components and performance. The choice hinges on factors like gearing range, fork weight, tire width, and the number of gears.

The Marlin 5 offers affordability for beginners, the Marlin 7 provides a balanced option for intermediate riders, and the Marlin 8 caters to advanced riders seeking top-tier performance.

Ultimately, the decision depends on individual riding preferences, skill levels, and budget considerations.

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• Marlin 5 Gen 2

Trek Marlin 5 Gen 2

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch

Will my bike have a curved top tube?

Smaller frames (XXS-S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. The larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Due to supply-chain issues, Specs are subject to change without notice.

* Subject to change without notice.

Part Numbers