trek powerfly 4 gen 3 review

Trek Powerfly

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Summary of Reviews

We have read all expert and user reviews on the Trek Powerfly . In summary, this is what cyclists think.

15 reasons to buy

• Owners reported an impressive range of up to 80mi and 7000ft of elevation.
• A 71yo owner easily handled a daily climb of 500ft, on a 25% grade driveway.
• A desert resident said the Powerfly rode easily, through soft sand.
• Tektro hydraulic brakes were deemed responsive and “pulled hard”.
• The 5’s fit and finish was described as “beautiful and rugged”.
• ‘Touring’ mode was great on roads, while ‘eMTB’ mode was excellent in the woods.
• A removable battery made it easy to mount the powerfly on vehicle racks.
• Powerfly drivetrains pedaled smoothly on the flats, despite the bike’s weight.
• The Bosch Performance CX motor exhibited plenty of torque on climbs.
• One owner cooed over the Powerfly 4’s metallic red paintwork.
• The Powerfly 7’s TransX dropper-post made mounting and dismounting easy.
• Overweight riders found the Powerfly’s carrying capacity to be more than ample.
• One reviewer found that the Powerfly 4’s 100mm of fork-travel covered needs.
• Shifting, range and gear spacing were lauded on the Powerfly 5’s drivetrain.
• Some reviewers felt that the weight of the bike aided stability.

7 reasons not to buy

• The Powerfly was heavy, and onerous to pedal up hills without assistance.
• Some owners would have liked to be able to easily add a second battery.
• The Powerfly’s high-level component spec made it a pricey option.
• Some owners felt that the Powerfly’s paintwork was easily chipped.
• One daily user reported delayed engagement of the power assist in snowy areas.
• Schwalbe Smart Sam tires punctured easily, on the ‘Sport 4 Equipped’.
• Some owners sought a way to lock the motor without removing the battery.

Bottom line

Expert reviews, trek powerfly 5.

The Trek battery holds a good charge… I reckon there’s enough power to last 60 to 80 miles if you’re careful.

Trek Powerfly 4 on Exmoor Review

…outstanding fun with steep descents and river crossings followed by challenging climbs which the Powerfly managed with such ease! …I was surprised at the sub-20-mile range I achieved on this test-ride…

User Ratings

Your rating, best electric bikes.

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Trek Powerfly 4 Gen 4 Review

• Last updated January 17, 2024

• All of our bikes are electric, but all of our writers are human.

CHARGE TIME

Trek Powerfly 4 Gen 4 Review: Takeaway

The Trek Powerfly 4 is the cheapest electric mountain bike made by Trek. This doesn’t take away from its great components and rideability, though. It’s an eMTB designed for lighter trail riding with its larger wheels that smooth out the bumps on the rough spots. Relatively light yet powerful, the Trek Powerfly 4 Gen 4 is an ideal electric mountain bike that doesn’t break the bank.

Ideal for...

E-bike overview.

The Bosch Performance CX motor gives a real kick with up to 85Nm of torque, meaning that you can pull away on a steep and muddy hill with confidence. Power delivery is smooth so you won’t spin the rear wheel should you push too hard. The Bosch smart system offers enhanced ride control with navigation and activity tracking via the eBike Flow app.

Packaged with the Bosch Performance CX motor, is their Walk Assist mode that helps push your e-bike up those tough hills you’re bound to encouter. The LED remote let’s you enable Walk Assist and control the level of pedal assist you need. The LED lights are bright and easy to see, even in bright sunlight.

One thing that Trek does with this electric bike is fit different equipment to different-sized machines. For example, on the XS and S framed machines, it has a 27.5” wheel size, while on the M, L, and XL sizes have a 29″ wheel. The frame on the smaller e-bikes are also slightly different, offering a curved top tub for sizes XS and S, while frame sizes M, L, and XL have a straight top tube.

Trek has thought about everything, not surprisingly. Rack and kickstand mounts are readily avilable, as well as an integrated speed sensor for those riders looking to use the PowerFly 4 as more of a trekker than a day-rider trail e-bike.

Reasons to Buy

If you want an electric bike but don’t want to empty your bank account, the Trek Powerfly 4 Gen 4 is a very good machine to consider. At the lower end of the premium spectrum, the Trek Powerfly 4 will be worth every penny when it comes to an electric mountian bike that will look after you on the road or trail.

Designed not to embarrass you on the trail, it works well on longer cross-country rides. Its battery will be good for a 35-mile ride on tougher terrain, and the power of the Bosch Performance CX motor will leave you breaking a sweat only if you’re going easy on the battery.

When it comes to speed control, the electric bike won’t let you down even on steep tracks in wet conditions with its Tektro hydraulic brakes, and on 203mm rotors, they won’t fade even if used a lot.

Things to Consider

If you want a genuinely inexpensive electric mountain bike, there are others like the Rad Power brand of electric bikes, but few pack as many high performance components as the Trek Powerfly 4 Gen 4. This isn’t the cheapest eMTB out there, but it is very inexpensive for a high-end machine.

Specs & Components

The specs above come from the manufacturer and may vary from what you’ve experienced. Notice something that needs correcting? Let us know .

Offering up to 85 Nm of torque, the light but punchy Bosch Performance CX motor delivers the power you need for riding off-road, including rapid direction changes and tackling steep climbs as you journey around the woods or mountain.

Its Bontrager XR3 Comp tires won’t go quickly on hard, flat surfaces due to higher rolling resistance, but this isn’t what the Powerfly 4 is about — it’s about fun in the mud and on loose surfaces. As such, the motor won’t achieve great flat-out speeds, but it’ll more than make up for it in raw power over the rough stuff.

The 500 Wh battery on the Powerfly 4 will give you a good day out on singletrack and a reasonably long day in the saddle on an off-road adventure. However, there’s no option for a range extender, so if you’re looking for more than 35 miles per charge, choose an eMTB with a range extender or a 625+ Wh battery.

Leaving your gear at a base while doing singletrack will give you more range, but if you’re carrying your pack on an adventure, this will eat into your mileage. Muddy terrain and foul weather can impact range, too.

Sat in a trekking position, you’ll use your upper body to shift your weight according to riding conditions. This could mean you get tired in your arms, chest, and shoulders after a long ride.

Sizes XS and S in the Trek Powerfly 4 range come with 27.5” wheels, while sizes M, L, and XL come with 29” wheels. Either way, they’ll smooth out the rough terrain.

The XS version of this eMTB hardtail electric bike comes with an 80mm travel SR Suntour fork, while all larger sizes have a 120mm travel fork. Both are well-suited to rough terrain.

Though Trek offers a lifetime warranty on the frame, if you haven’t looked after this e-bike, the warranty may be voided.

Clean the bike and oil its working parts after every ride. Keep an eye on chain stretch — change it when it gets to 1 mm per link, and look out for bent/broken teeth on the cassette and front chain wheel. Also, keep an eye on brake pads and hydraulic fluid. Though the Powerfly 4 is waterproof to an extent, take care when it comes to river crossings, as it isn’t designed for complete immersion!

Being a serious electric mountain bike, the Trek Powerfly 4 also looks the part. The clean lines and nice shapes of the frame along with its overall geometry combine to make for a good-looking eMTB.

The choice of colors is good too, from the loud red and black scheme to the muted gray and black. Overall, this bike looks like it means business when thrown about the tracks and trails.

We personally research and test every e-bike featured in our reviews and guides to provide accurate, data-driven recommendations. Learn how we review.

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Is Trek Powerfly 4 Worth Buying? [Trek Powerfly 4 Review]

Table of Contents

Trek Powerfly 4

• Price : $3849
• Category: Cross-country electric bicycle
• Frame : Aluminum
• Gear : 1×10
• Tires : 27.5″ / 29×2.6″

What we like about it: The   powerful Bosch motor with Shimano drivetrain gives you the ultimate climbing riding experience. In addition, the Purion controller features a walk assist and intelligent eMTB mode that automatically delivers the right amount of power for your riding terrain.

What we don’t like about it: The   motor makes a noise when it starts.

Rating (4.6/5)

Introduction

Every thrill-seeking rider dreams of an intense ride on rugged, winding trails. So when faced with the rolling hills and mountains, we desperately want a bike that performs well enough to make our dreams come true. Fortunately, the Trek Powerfly 4 is such a cost-effective e-bike with both commuting and off-road performance.

First, the rugged aluminum frame gives the Trek Powerfly 4 a more spacious and lighter body. Second, the high-performance Bosch and high-performance CX (250W, 85Nm) motors help you reach speeds of up to 20 mph. Finally, the Bontrager XR3 is equipped with 29″ wide tires that give you the confidence to maintain strong traction even on gravel-strewn sandy trails.

We have been reviewing the Trek Powerfly 4 for two months, and to make the results more informative for you, we’ll elaborate on the Trek Powerfly 4’s performance while riding, key features, components and specifications, and other versions in the series. If you’d like to learn more about the versions, please refer to our review.

Trek Powerfly 4 General Riding

The versatile Trek Powerfly 4 is a very cost-effective choice. It’s not a vehicle for off-road riders and is a smart choice if you use it for commuting to work.

When I rode the Trek Powerfly 4 for five miles on my commute, it still performed well. The 71.5° seat tube angle is not as steep as previous mountain bikes, instead, it fits my seating position better and gives me a comfortable riding experience.

The 29″  Bontrager XR3 is a natural for the second half of my brick road! Its protruding aramid beads cling to the ground like powerful suction cups, turning fast while maintaining the ultimate in smoothness. Of course, 29″ tires aren’t the only option, as Trek has given the Trek Powerfly 4 more tire options. If you want more responsive steering, then I’m sure the 27.5″ size is the best choice for you.

I didn’t feel my pedaling struggle as much as I used to when passing up the inclined uphill grade of about 5%. I think that’s what I felt most about the Bosch Performance CX, as the torque of 85Nm easily allowed me to overcome the steep climb.

At the same time, with the quick-action Shimano Deore M4100, 1×10-Speed drivetrain, it was easy enough to adjust the speed so that I still had enough energy for an easy ride even in the last kilometer of the sprint. Of course, I wouldn’t mind a 12-Speed gearing for the next version of the Trek Powerfly 4, after all, more and wider speed options would make for a more interesting riding experience.

Trek Powerfly 4 Trail Riding

Of course, as the main battleground of the off-road surface, Trek Powerfly 4 still surprises people with its performance. At the weekend Jack and I went to the famous Stromlo Forest Park to challenge the 40km of mountain trail running.

We were also a bit worried when faced with rocky forest gravel trails and rugged and changing mountain passes. Still, the Trek Powerfly 4 showed no signs of trepidation. To be honest, I was worried that the overly bumpy ride would leave me physically sore and numb, which is something no one wants to endure. But apparently, the SR Suntour XCM 34 fork does this very well, with 120mm of travel to offset more of the impact. Also, the quality VP Components, VP-536 Nylon Pedal didn’t put too much drag on my ride, and there’s nothing like that to get the ride off to a great start.

When I rode onto wet and muddy grass trails, I was concerned that going too fast would introduce a certain amount of instability. But apparently, the Trek Powerfly 4 took this into account early on. the Purion controller features a walk assist and an intelligent eMTB mode that automatically delivers the right amount of power for my terrain. This allows me to always ride at a smooth speed.

Of course, it’s worth mentioning the amazing gear shifting of the Shimano Deore M4100’s 10-Speed drivetrain. When I made an ascending sprint, the gear selection was made almost instantly. I gained a faster ride by locking into the SR Suntour XCM 34, putting me well ahead of Jack.

Not only that, the Tektro HD-M275 Hydraulic Brake was still able to perform strong and stable emergency braking in the face of slippery muddy roads. This, combined with the rough tread of the Bontrager XR3’s prominent surface, provided enough safety and confidence for my ride.

Main Features

You may not imagine that Jack exclaimed “Wow, unbelievable!” when he first saw the wild Trek Powerfly 4, whose unparalleled bodywork conquered everyone in the audience.

First and foremost, the rugged and refined alpha aluminum alloy brings great ductility to the Trek Powerfly 4. Through continuous cold extrusion and butting at multiple points, it is hydraulically formed into complex tubes to achieve a strong surface and minimal body weight.

Secondly, the internal cable setup not only keeps the cables in a safe location but also allows you to reduce maintenance. This also gives the Trek Powerfly 4 a longer life while reducing your cleanup and maintenance costs. You don’t have to worry about damage to the motor from off-road bumps. Finally, the unique motor is strong and durable, keeping the material light while providing you with the safest protection for your ride.

Of course, you can also choose whether you want to install fenders and rear brackets according to your wishes.

No matter what type of bike you’re on, scientifically thoughtful geometry always leads to a more comfortable and efficient ride, and the Trek Powerfly 4 is no exception.

The 71.5° seat tube angle isn’t a steep presence, and it’s better suited for novices to conquer those not-so-steep uphill surfaces. At the same time, the Trek Powerfly 4 is set up with a shorter and smaller wheelbase length to offset the unresponsiveness of the big and wide Bontrager XR3 in terms of steering. The benefit of this is also that you can maintain a smooth turn even in the face of those thrilling roads with sharp turns.

One more thing, the not-so-steep head tube angle (65.0°) has a crucial impact on your short-track descents. At the same time, the 11.4mm trail provides you with a good riding experience, and you can ride freely on winding roads.

That’s right, comfortable and snug geometry will always support your ride in every way.

Components and Specifications

Shimano deore m4100, 10-speed drivetrain.

The Shimano Deore M4100, 10-Speed drivetrain has absolute performance, and you only need to flick the right-hand tab for a butter-smooth shift.

The crank technology of FSA Bosch CK-220 enables you to accelerate easily even on some ascending sections with about 5% grade. And it allows you to shift effectively in the face of different riding situations. So you have to admit that Shimano is one of the best drivetrain manufacturers.

But as I mentioned above, I believe the Trek Powerfly 4 would have sold better if the 10-Speed drivetrain had been replaced with a 12-Speed operating system.

Bontrager XR3 Tires

The Bontrager XR3 gave me the answer as to what kind of tire can handle the gravel and dead branch spreading single-track trails. The 29”x2.6” tire size is extremely stable, and its prominent tread pattern gives me a smooth ride even when you’re dealing with wet and flat mossy roads. Also as a regular XC racer, the Bontrager XR3 can increase traction and comfort while reducing pressure when riding on off-road tracks. What’s more, the special anti-puncture system eliminates the risk of flat tires, eliminating your worries. Of course, Trek also offers a 30-day unconditional refund, so if you’re not satisfied with it, you can visit your local store for an exchange or refund.

Tektro HD-M275 Hydraulic Brake

Can you live with a bike that doesn’t have enough braking power? I can tell you without hesitation that I would say “No” to such brakes. Without a good brake, your ride will be a huge safety hazard. But the Tektro HD-M275 Hydraulic Brake doesn’t give you that concern.

In addition, the open system makes it easier to clean and maintain, while the dual-piston braking device has plenty of confidence in braking. At the same time, to eliminate the noise caused by brake friction, Trek has thoughtfully applied low-noise resin pads on the bottom for a better riding experience.

SR Suntour XCM 34 Fork

I believe the SR Suntour XCM 34 fork is the result of Trek’s careful consideration. The fork suspension it comes with is very resilient and will not be damaged by overly bumpy roads. And yes, it’s sturdy. After two months of riding on gravel and sand, it still performed as well as new.

One might complain that 120mm of travel for mountain trail riding would not have an impact on the performance of the shock. The fact is it performs very well. The streamlined, superior structural configuration works by retracting up and down to counteract the feeling of more vibration as it moves forward. Give it a try, I’m sure even veteran XC race riders will rave about the SR Suntour XCM 34 fork.

Bosch PowerTube 500Wh Battery and Motor

As we all know, in an electric vehicle, the motor is the soul. the PowerTube 500 stands out with its black, high-grade anodized aluminum finish. In addition, the Bosch high-performance CX motor sets the standard for eMTB performance. Meanwhile, torque is up to 85Nm, and the intelligent eMTB mode fuels body-extending performance that automatically adjusts to the terrain. What’s more, the RIB as an all-in-one battery has a built-in handle design that can be easily removed and reinstalled in the frame without tools. After our measurement, it can provide a maximum speed of 20mph, which is the most powerful assistant in your race.

Other versions of Trek Powerfly

To give you more options, we tested the other Trek Powerfly 4 models in an objective and unbiased manner, including the Trek Powerfly 5 for a certain amount of time.

Also made of alpha aluminum alloy, Trek Powerfly 5 has a much lighter body condition. This is certainly good news for those who seek a lighter body.

The Trek Powerfly 5 is a higher-end RockShox Recon Silver RL, but with the same 120mm travel, it has a better damping experience.

Meanwhile, the Shimano XT M8100 1×12-Speed drivetrain makes up for the regret I had with the Trek Powerfly 4. Because it has a more lush gear ratio and a wider range of speed adjustments, it provides a more interesting riding experience.

If you’re like me and have an inexplicable obsession and love for 12-Speed drivetrains, then I think the Trek Powerfly 5 will fit the bill. But it also means you’ll have to spend more $$$, which may be a bit of a hit to your wallet.

• What is the price of the Trek Powerfly 4?

The Trek Powerfly 4 is priced at $3849.99.

• What is the body material of the Trek Powerfly 4?

The body of Trek Powerfly 4 is made of Alfa aluminum alloy.

• What is the tire size of the Trek Powerfly 4?

The Trek Powerfly 4 tire size is 29 “x2.6”

• What is the maximum weight limit for the Trek Powerfly 4?

The Trek Powerfly 4 has a maximum weight limit of 300 lbs.

• How was the size of the Trek Powerfly 4 chosen?

Trek Powerfly 4 Specs

What we like about it

• The user-friendly Removable Integrated Battery (RIB) allows you to easily remove the battery.
• Versatile Bosch system for your commuting and backcountry climbing needs
• The Alfa aluminum body frame is tough enough to provide a comfortable riding experience.
• Bontrager XR3 has a hard shell that crushes all debris obstacles.
• Purion controllers feature walk-assist and intelligent eMTB modes that automatically deliver the right amount of power for your terrain.

What we don’t like about it

• Some people might complain that the motor generates noise when it’s in motion.
• The 120mm travel cannot adapt to the more complex and variable bumpy roads.
• Rarer color options.

Comparison Table

Trek powerfly 4 vs bulls aminga eva 2 27.5” diamond.

Bulls Aminga and Trek Powerfly 4 are also used as electric bikes, both of them are made of Alfa aluminum, which makes the body strong and tough enough.

But the difference is that Bulls Aminga pays more attention to the ride on bumpy roads, as it also pays extra attention to the choice of a fork. The Suntour XCR 32 Air is made of higher-quality materials and is lighter in weight. Even in the face of rolling hills and forests, it can mitigate damage to the rider’s body through high-speed movement.

However, it should also be noted that the Trek Powerfly 4 has more options in terms of tires (27.5”/29”). The Bulls Aminga is a bit inferior at this point, with only 27.5″ tires available. This is not good news for riders who are used to big tires all year round.

If you have a preference for larger tires, then I believe the Trek Powerfly 4 is still the best choice for you.

Trek Powerfly 4 vs Scott Aspect eRIDE 920

With the same weight (both measured at 23.4kg), the Scott Aspect eRIDE 920 brings the 12-Speed system I mentioned. The choice of Groupset is also based on the higher quality NX Eagle, SX Eagle, and a wide range of speed control systems to provide a more interesting riding experience.

Not only that, the PowerTube has a more advanced battery option, with 625wh of battery power to provide a longer, faster ride. But unfortunately, the Scott Aspect eRIDE 920 still doesn’t have the same freedom to choose the tire size as the Trek Powerfly 4. This is again similar to the Bulls Aminga we mentioned above.

In addition, if you don’t like your battery exposed, the Trek Powerfly 4 may appeal to you. This Trek Powerfly 4 not only protects with the battery completely hidden in the frame but it can also be easily removed.

Notably, it comes with Purion controller with a walk assist and intelligent eMTB mode that automatically delivers the right amount of power for your terrain.

I have to say that Trek Powerfly 4 has a great price/performance ratio, both in price and in performance configuration, and is a good choice.

Learn more : Is The Scott Scale 940 A Great Value Hardtail Bike? [Scott Scale 940 Review]

Trek Powerfly 4 VS Rocky Mountain Growler Powerplay 30

The Rocky Mountain Growler Powerplay 30 is, in my opinion, a swift bull. It can brave the endless gravel land. In addition, the 634wh fully integrated lithium-electric battery gives it the ability to go crazy in XC races. In this respect, the Trek Powerfly 4’s 500wh battery may be a bit inferior.

Also, the Suntour XCR 34 fork has a slightly longer travel of 130mm than the Trek Powerfly 4. This also provides more cushioning to eliminate most of the ground vibrations. It also has a dropper design on the bottom saddle, which is a big competitive advantage for an e-bike of its type. The double protection can give you the ultimate riding experience.

The Trek Powerfly 4’s removable battery, however, is a highlight for many riders who prefer a clean charge. And the Trek Powerfly 4’s fork with a locking feature also prevents you from losing kinetic energy while riding on flat roads due to the work of the shock and thus slowing down your speed.

If you’re aiming for gravel-strewn forest roads with rugged rock walls, the Rocky Mountain Growler Powerplay 30 may give you the courage to sprint. But if you’re on a budget or want a simple, comfortable ride, I’d recommend the Trek Powerfly 4.

Trek Powerfly 4 vs Giant Stance E+ 2

The Giant Stance E+ 2 is the top end of the Giant line with unmatched advantages. It has a sturdy body as well as a strong surface, which is hydraulically formed into an exclusive tube body through a specific technology to achieve the perfect combination of weight and body. Unlike the hardtail vehicles of the Trek Powerfly 4, the full-suspension Giant Stance E+ 2 offers the ultimate damping experience with its front and rear travel (130mm front and 120mm rear). But if there’s anything that one laments, it would be the 500-watt-hour battery. It is very heavy and makes a lot of noise when it is started. If you’re looking for a full-suspension off-road e-bike, then the Giant Stance E+ 2 is the bike for you.

Although the Trek Powerfly 4 only has a dampened fork, this may not be as good as the Giant Stance E+ 2 when facing relatively harsh and bumpy terrain. But I think that’s forgivable – after all, the Trek Powerfly 4 doesn’t have a rear shock. And in real-world climbing, the Trek Powerfly 4 performs better. The relatively lighter body also saves weight on upward climbs.

If you prefer more challenging upward climbing routes, or if you prefer the more expensive Giant Stance E+ 2, the Trek Powerfly 4 is a great choice for the price.

In case, the above comments are helpful to you, please remember to share the subscription. Have a great day!

learn more： Giant Stance Review – Finding The Joy Of Riding In A Rapid Descent

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• Buyers Guide

• Technical Details

Trek Powerfly 4 Review

• Price: 3499 €
• Frame Material: Aluminium
• Motor: Bosch Performance Line CX
• Travel Front: 120 mm
• Battery: 500 WH
• Model Year: 2022
• Wheel Size: 29"
• Weight: 23,4 kg

At a glance

The most importanten ratings of the Powerfly 4 ⬤ in comparison to the competitor bikes of following categorie: (3000) ⬤ .

Value for money

If you are keen on value for money, this is your chart. It shows you at a glance how much bike you get for 3499 €.

Expirience with the Trek Powerfly 4

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Je steiler der Winkel des Sitzrohrs ist, desto effizienter können Sie in die Pedale treten.

• Motor Bosch Performance Line CX
• Display Purion
• Battery 500
• Frame Alpha Platinum Aluminum
• Frame Material Aluminium
• Fork Size: XS, SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 80mm travel, Size: S, M, L, XL, SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 1
• Spring Unit coil
• Remote-Lockout yes
• Gearrange 418%
• Drivetrain 10
• Gear Lever Shimano Deore M4100, 10 speed
• Rear Derailleur Shimano Deore M5120, long cage
• Crank FSA Bosch CK-220, 36T ring, 165mm length
• Cassette Shimano Deore M4100, 11-46, 10 speed
• Chain KMC X10, 10 speed
• Brake Set Tektro HD-M275 hydraulic disc
• Brake Rotors 203/203
• Rims Bontrager Connection, double-wall, 32-hole, 20mm width, presta valve
• Front Hub Formula DC-511, 6-bolt, Boost110, 15mm thru axle
• Rear Hub Bontrager Approved DC-3248, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle
• Tires Front Size: XS, S, Bontrager XR3 Comp, wire bead, 30tpi, 27.5x2.35'', Size: M, L, XL, Bontrager XR3 Comp, wire bead, 30tpi, 29x2.30'
• Tires Rear Size: XS, S, Bontrager XR3 Comp, wire bead, 30tpi, 27.5x2.35'', Size: M, L, XL, Bontrager XR3 Comp, wire bead, 30tpi, 29x2.30'
• Saddle Bontrager Commuter Comp
• Seat Post Size: XS, S, Bontrager alloy, 31.6mm, 12mm offset, 330mm length, Size: M, Bontrager alloy, 31.6mm, 12mm offset, 360mm length, Size: L, XL, Bontrager alloy, 31.6mm, 12mm offset, 400mm length
• Stem Size: XS, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length, Size: S, M, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length, Size: L, XL, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length
• Handle Bar Size: XS, S, Bontrager alloy, 31.8mm, 15mm rise, 720mm width, Size: M, L, XL, Bontrager alloy, 31.8mm, 15mm rise, 750mm width
• Handle Bar Width 750
• Head Set FSA IS-2, 1-1/8'' top, 1.5'' bottom

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Thoughts on the Trek Powerfly 4 Gen 4 vs Gen 3

• Thread starter kaldri01
• Start date Dec 28, 2023
• Dec 28, 2023

I am considering a 2023 PowerFly 4 Gen 4 Hardtail. Will be riding mostly on rail trails and greenways - a variety of surfaces including some major potholes - along with some straighforward trails in the woods. Member thoughts/feedback on this bike appreciated.  

Well-Known Member

• Dec 29, 2023

Good choice for type of riding you have planned.  

• Jan 2, 2024

TrevorB said: Good choice for type of riding you have planned. Click to expand...

Stefan Mikes

• Jan 4, 2024

If you like to buy obsolete things go for the Gen 3.  

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2023 Trek Powerfly FS 4 Review

Are you planning to buy an electric mountain bike? Do you have plans to hit the trails and mountains with a reliable power-assisted model?

The Trek Powerfly FS 4 is one of the most popular electric bikes on the market. With its motorized assistance, mid-drive design, and trail-ready components, it could be the perfect bike for your next ride.

Since its launch, Trek’s Powerfly FS 4 has become a fan favorite among mountain bikers. Its blend of power and agility make it an ideal choice for cyclists looking for serious performance on their rides.

The Powerfly FS 4 is designed to offer unparalleled experiences both off-road and on urban streets.

In this review, we look at the features that make this e-bike one of the best in its class and also elaborate on what it brings to the table in terms of value for money.

2023, Trek’s model year for all mountain e-bikes is here and the Powerfly FS 4 is their latest offering.

It’s a bike that caters to riders looking for a full suspension electric mountain bike with enough torque to take on anything you throw at it.

The Powerfly FS 4 also has several features that are sure to appeal to more serious cyclists, such as an optimized magnesium rocker link, adjustable assist levels, rack and fender mounts, and much more.

This review will go over the features of the 2023 Trek Powerfly FS 4 and provide an overview of its performance.

Take your off-road adventures to the next level with the 2023 Trek Powerfly FS 4, a performance mountain bike equipped with the latest technology to optimize your trails.

Featuring a Shimano 10-speed drivetrain and one of a kind eMTB motor system, this electric bike allows you to push beyond your typical limits and explore places that would normally be inaccessible.

With an upgraded suspension system, increased range, and safety features such as room for integrated lights and an updated dropper post design, you will experience no limit rides.

– Shimano Deore 1×10 speed drivetrain shifts quickly and smoothly.

– Motor system provides automatic support during off-road ascents.

– 120mm SR Suntour XCR 34, air spring suspension front fork improves agility on trails.

– TranzX dropper post design for quick seat adjustment on the fly.

– Increased range for longer riding distances than ever before.

– High volume Bontrager XR3 Comp tires provide great grip even in tough terrain conditions.

– Bosch PowerTube 500Wh battery powers the entire drive train without weighing down ride.

Motor & Battery

The 2023 Trek Powerfly FS 4 comes equipped with a Bosch Performance CX electric motor that provides up to 85 Nm of torque.

You can expect roughly 40 miles (64 km) on the 500Wh battery.

Frame & Suspension

At its core, the 2023 Trek Powerfly FS 4 is built with an oversized aluminum frame that offers 100mm travel at both ends in either 27.5 or 29er wheel sizes.

To ensure your ride stays smooth no matter what terrain you encounter, you can run up to a 120mm front fork.

If you want crisp shifting performance even in steep sections then this bike has you covered thanks to its 1×11 drivetrain consisting of Shimano Deore level components.

The cassette offers a 11-46t and its paired to a 36t chainring up front mounted to a FSA Bosch crankset.

Other features include powerful Tektro hydraulic disc brakes for assurance when descending rough trails as well as custom Bontrager Alex MD35, tubeless compatible wheels that have been designed especially for e-MTB use.

It also comes with a remote fork lockout so you can instantly stiffen your front end when climbing those stubborn hills.

Final Verdict

All things considered, if you’re looking for an all mountain electric mountain bike then the 2023 Trek Powerfly FS 4 should definitely be one of your top choices due to its versatile components and great price point made possible through countless hours of engineering from Trek’s research team.

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

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Trek Powerfly 4 EBike Review

Are you looking for more details regarding the trek powerfly 4 electric bicycle? If so, I hope that this review and overview of this model will be of assistance to you.

The Trek Powerfly 4 is an impressive electric mountain bike designed for riders who want to challenge themselves on new trails or climb more difficult climbs. Equipped with Bosch e-MTB drive system and durable components, this bike is ready to tackle any terrain.

• 1 What is the Range of a Trek Powerfly 4?
• 2 How Fast Can the Trek Powerfly 4 Go?
• 3 What is the Difference Between Trek Powerfly 4 and
• 4 How Heavy is a Trek Powerfly 4?
• 5 Trek Powerfly FS 4 2023
• 6 2023 Trek Electric Bikes
• 7 What is the Fastest Trek Electric Bike?
• 8 Does Trek Make a Class 2 Ebike?

What is the Range of a Trek Powerfly 4?

The range of the Trek Powerfly 4 will differ based on various factors, such as terrain and rider weight. On average, users can ride for up to 130km in Eco mode and 60km in Turbo mode with its 500Wh battery.

This impressive range makes the Powerfly 4 an ideal choice for long distance touring, even more than its competition.

One major distinction between this model and its predecessor is the advanced battery design, the Removable Integrated Battery (RIB). This revolutionary technology fully embeds a Bosch 500Wh battery into the frame for superior convenience.

With this new design, the battery is easily accessible and requires no tools for removal and reinstallation – making it even easier to use! Additionally, the cover can be removed for easy access while carrying by its handle.

This model features an aluminum frame with 625Wh battery, Bosch Performance CX motor offering up to 25km/h assistance, Purion controller, 1×10 Shimano drivetrain and suspension fork with lockout. Smart Wheel Sizing ensures riders of all sizes will find a great fit on the Powerfly 4, with 29″ wheels on larger frames and 27.5′ wheels on smaller ones.

How Fast Can the Trek Powerfly 4 Go?

The Trek Powerfly 4 is an impressive electric mountain bike, capable of going up and down hills quickly with its Bosch Performance CX motor. With speeds up to 20 mph (32 km/h), this electric mountain bike will definitely turn heads wherever it goes!

It also features a user-friendly Removable Integrated Battery (RIB) system that conceals the battery in its frame for protection and makes it simple to take out without tools. Plus, its dropper post allows you to lower your saddle quickly on descents for added comfort.

The Trek Powerfly 4 is an exceptional electric mountain bike with a long-range battery, Bosch motor and intuitive controller. It has an aluminum frame that fully encases the battery, Bosch Performance CX model with 250W and 85Nm of torque for up to 20 mph acceleration, Bosch Purion controller, 1×10 Shimano drivetrain and suspension fork with lockout feature. Plus its Smart Wheel Sizing ensures riders of all sizes will find a comfortable fit – 29″ wheels on larger frames or 27.5″ wheels on smaller ones.

What is the Difference Between Trek Powerfly 4 and

The Powerfly 4 is an elite electric mountain bike equipped with Bosch drive system and mountain bike components. It boasts our user-friendly Removable Integrated Battery (RIB) system that securely houses the battery within its frame without needing tools for removal.

This motor provides pedal assist up to 20 miles per hour with 40nm of torque. A torque sensor detects how hard a rider is pedaling in order to activate the motor when needed.

Riders praised the Powerfly's responsive, smooth shifting and impressive range. Its high-end components were considered well built, and owners appreciated how easily they mounted and dismounted.

One owner raved that their bike “fell into place like a dream.” Others found it heavy to climb hills on their own, but overall it proved to be an ideal option for commuters and electric mountain biking rides.

If you're searching for a Trek Electric Bike, the Powerfly 4 is an excellent option. On the other hand, if price point is your priority, Magicycle Cruiser Pro could be worth considering; its aluminum frame can support more weight capacity and its battery offers longer distance than the Powerfly 4.

How Heavy is a Trek Powerfly 4?

If you need an e-bike that can handle rough terrain, the Trek Powerfly 4 is an excellent option. It boasts a long range battery, Bosch motor and Shimano drivetrain designed for durability.

This bike also boasts a user-friendly Removable Integrated Battery (RIB) system that is fully enclosed within the frame and requires no tools for removal. This makes mounting on vehicle racks effortless, plus you can go for long rides on just one charge!

The bike comes in an array of colors and styles to suit any preference. Plus, it boasts plenty of features that make it both enjoyable and versatile to ride.

Trek Powerfly FS 4 2023

Trek Electric Bikes are known for making some of the finest electric bikes on the market. For example, the 2023 Powerfly FS 4 takes that tradition to new heights with ease. It is equipped with a powerful Bosch Performance CX motor and all necessary gears to tackle climbs. In addition, miles of singletrack terrain, this full suspension model can take you from trails to streets effortlessly.

This bike features a high capacity battery mounted on the downtube. Also, is integrated into its mid-drive motor, making it lightweight with an ergonomic handle for effortless removal from the frame.

This electric bike features a mid-drive motor that is lighter than many of its competitors. Also, powered by the powerful 250 W, 75 Nm Bosch Performance Line CX e-bike motor.

The FS 4 features a large front suspension and curved top tube for easier standing over the bike. Also, impressive watts per liter of battery capacity. This electric bike also has a Kiox 300 e-bike computer compatible with the eBike Flow app. Thus, helping to navigate routes optimally. Moreover, this stylish rear rack can be removed to make way for panniers or cargo bags.

2023 Trek Electric Bikes

Trek offers a selection of electric bikes for different riders. There are trail mountain bikes, e-bikes ideal for everyday commuting and high-end bikes designed specifically with racers in mind.

For those searching for an affordable electric bike that's easy to ride, the Trek Powerfly 4 is an ideal option. Constructed with a lightweight aluminum frame, this electric hardtail comes in both men's and women's models.

This e-bike is equipped with a rear hub motor. Also, a torque sensor to keep the price low and provide excellent pedal assist feel. Additionally, the torque sensor helps extend range, enabling you to ride longer between charges.

Trek also produces an assortment of e-bikes designed to carry kids and cargo. For example, the Fetch Plus 2 and 4. The long tail version features an extended rear rack. Also, the bakfiets-style Fetch Plus 4 boasts a box style that can store more items than its longer counterpart.

What is the Fastest Trek Electric Bike?

Trek Bikes has always been driven by a desire to create bikes that are tough, reliable and designed for adventures. Established in 1976 by Richard Burke and Bevil Hogg, Trek is dedicated to crafting high-end bicycles for people with an adventurous spirit.

Trek Electric Bikes' fastest model, the Domane+ SLR 7, delivers classic speed and comfort of the Domane with a powerful Fazua drivepack that can propel it up to 28 mph, as well as an impressive 70+ mile battery range.

Trek's Domane+ SLR electric bike utilizes a TQ HPR50 motor that they claim is quieter and more efficient than other systems available. Plus, there are three assist modes controlled via shifters on the hoods for added convenience.

The TQ system features an integrated battery that fits in the seat tube bottle cage. This battery offers up to 100km range in Eco mode and can be charged within 2.5 hours, plus it's compatible with a 160W/h range extender sold separately.

Does Trek Make a Class 2 Ebike?

No specific Trek e-bike model falls within Class 2 classification; however, there are other bikes on the market that meet this standard.

The Blix Packa Genie is an electric bike powered by 750W that can reach and maintain speeds up to 20 mph with pedal-assist or throttle propulsion. Furthermore, its dual battery capability doubles its range.

This bike is ideal for those seeking extra power on their daily commute or long distance rides. It's a lightweight, reliable model with excellent pedaling assistance and an impressive range of up to 45 miles on one charge.

It also features a twist-assist feature that lets you switch between pedal and throttle modes. This is ideal for older riders or those with physical limitations who wish to use the throttle without stopping pedaling.

If you're searching for an affordable, well-designed e-bike that's ready to tackle road or trail riding, Engwe Bikes' P26 is the perfect option. This class 2 electric bicycle features a 750W hub motor, five levels of pedal assist, and an electronic throttle.

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Trek Powerfly FS 4 Gen 3

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Size / 14.5"" Low, 15.5" Low, 17.5" Low, 19.5" Low, 21.5" Low

At a glance

Where to buy.

Specifications

• Frame Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, internal routing, Motor Armor, rocker link, rack and fender mount, ABP, Boost148, 100mm travel
• Fork Size: XS, S, SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 41mm offset, oversized crown for eMTB, Boost110, 15mm bolt-on thru axle, 100mm travel; Size: M, L, XL, SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44mm offset, oversized crown for eMTB, Boost110, 15mm bolt-on thru axle, 120mm travel
• Shock SR Suntour Edge R, 190mm x 45mm
• Motor Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm
• Battery Bosch PowerTube 500Wh, smart system
• Hubs Bontrager Approved DC-3248, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle
• Wheels Alex MD35, tubeless compatible, 32-hole, 35mm width, Presta valve
• Wheel Size 29" 27.5"
• Tires Size: XS, S, Bontrager XR3 Comp, wire bead, 30tpi, 27.5x2.35''; Size: M, L, XL, Bontrager XR3 Comp, wire bead, 30tpi, 29x2.30''
• Chain KMC X10, 10 speed
• Crank FSA Bosch CK-220, 36T ring, 165mm length
• Bottom Bracket Bosch, press-fit
• Rear Derailleur Shimano Deore M5120, long cage
• Shifters Shimano Deore M4100, 10 speed
• Brakeset Tektro HD-M275 hydraulic disc
• Handlebar Bontrager alloy, 31.8mm, 15mm rise, 720mm width
• Saddle Bontrager Arvada, steel rails, 138mm width
• Seatpost Size: XS, S, M, TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length; Size: L, XL, TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length
• Stem Size: XS, S, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: M, L, XL, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length
• Grips Bontrager XR Trail Comp, nylon lock-on
• Headset FSA IS-2

Q: How much is a 2023 Trek Powerfly FS 4 Gen 3?

A 2023 Trek Powerfly FS 4 Gen 3 is typically priced around $4,749 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: Where to buy a 2023 Trek Powerfly FS 4 Gen 3?

The 2023 Trek Powerfly FS 4 Gen 3 may be purchased directly from Trek .

Q: What size wheels does the 2023 Trek Powerfly FS 4 Gen 3 have?

The 2023 Trek Powerfly FS 4 Gen 3 has 29" and 27.5" wheels.

Q: What size 2023 Trek Powerfly FS 4 Gen 3 should I get?

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2023 Trek Powerfly 4 Gen 4

A 27.5″ / 29″ aluminum frame hardtail trail e-bike with upper mid-range components.

Powerfly 4 Gen 4

For This Bike

View more similar bikes →

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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145cm – 156cm

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Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes. Report your fit

Sept 2022 · Mike Hunger

We have tested the Trek Powerfly FS 9 Equipped with Bosch Performance Line CX motor and 625 Wh battery for you.

Wide range of applications

Sporty and stylish look

Intuitive handling

Bosch SmartphoneHub ensures good connectivity

Read Review

Feb 2022 · Russell Burton

A well-specified, comfortable and versatile ebike, but at a serious price

Expensive, especially if you’re considering leaving it outside the local shop

Jan 2021 · Susanne Feddersen

One bike for all occasions – with the Trek Powerfly FS 7, the American brand promises to have created a true all-rounder. The smart concept should please everyone from trekking and leisure riders to moderate trail adventurers. We tested the 120/100 mm travel eMTB with the Bosch Performance Line CX motor to find out whether the new Trek Powerfly FS 7 is the all-rounder that many have been looking for.

All-round capabilities

Overall concept

Good-natured and intuitive handling

Confidence-inspiring

Comfortable riding position and low top tube

Responsiveness of the fork is mediocre

No model featuring the Nyon display

Price: $5999.00 | Model Year: 2021 | A premium

A premium "do anything" full suspension electric bike that's equipped to handle pavement, trails, light mountain terrain, rain, shine, day, or night conditions. Available in five frame sizes for optimal fit, the XS and S come with 27.5" wheels and the M, L, and XL come with 29" wheels. Sold through one of North America's largest network of dealers. Trek and Bosch provide excellent support and warranty.

Custom made extra-wide plastic fenders are durable and quiet, very capable in off-road conditions. A sleek and sturdy rear rack provides 25kg (55lbs) of cargo capacity with pannier hangers on both sides and a removable top platform for trunk bags. Puncture resistant tires also feature unique black reflective stripes that combine safety with aesthetics.

Downtube-integrated battery pack and mid-drive motor keep weight low and center. Trek designed a "RIB" battery casing includes a handle for safe removal and transport. The battery doesn't rattle, and it can be charged on or off the bike with the fast 4 amp charger. Peformance Line CX motor is the most powerful from Bosch, but lightweight with a magnesium casing.

Highly adjustable air suspension front and rear with 120mm and 100mm travel respectively. Boost hub spacing and thru-axles increase wheel strength. Extra large 203mm hydraulic disc brakes with heat sinks and alloy cores deliver incredible stopping power. The biggest trade-offs here include the high price, smartphone display (that some may not like), louder motor operation, and increased weight (due to the high capacity battery and accessories).

The 2021 Trek Powerfly full suspension e-MTBs blend European sensibility with modern trail capability for a unique e-mountain bike option.

Last updated 13 April

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