trek speed concept 7 5

Trek Speed Concept 7.5 Triathlon Bike: So Good Our Tester Bought It

Premium handling and compliance with triathlon-ready aerodynamics

The Left Turn comes more suddenly than you expect it to. It’s midway through a gradual descent whose first half bends lazily, like a child’s drawing of a river on a map. You’re not flying, exactly, but doing at least 25mph if you’re down in the aero bars, as I was. It feels really good, cruising down that stretch, with the arduous climbs and time-trial stretches behind you, and the finish line a few minutes away. And then, as the road’s unhurried curve veers more sharply to the left, your reverie is shattered.

It was a few years ago when I first encountered The Left Turn. I was riding a different tri bike at the time, and I tried to make the turn but quickly recognized it wasn’t going to happen. I had probably reacted a bit late and not quite aggressively enough, but that bike felt stubborn, even unwilling. It was as though I was riding an extremely expensive carbon-fiber mule. Instead of holding my line and arcing to the left with my fellow almost-finished triathletes, I leaked off the right side of the road and into some bushes. It was sheer luck that I didn’t hit a tree. I un-white-knuckled the brakes, gathered myself, dismounted, walked the bike back to the road, and set out again. But I rode the final stretch with my hands hovering over the brake levers and my tail between my legs.

That colored my perceptions of tri bikes for good. I raced on them grudgingly, but doubted their value in sprint-distance tris that weren’t as flat as Kansas. Sure, they were great for going fast in a straight line, but not much else. They were uncomfortable to ride—herky-jerky, and so stiff that you took every speedbump and crack in the road like body blows. And their fit and geometry made getting out of the saddle difficult, rendering them almost as bad at climbing as they were at cornering.

    RELATED: How to Turn Your Road Bike into a Tri or Time Trial Bike

My opinion began to evolve during my first few rides on the Speed Concept 7.5. I wasn’t surprised that it was fast—but it felt especially so. Trek bills the Speed Concept line as the fastest on the planet, with aerodynamically shaped tubes that the company says reduce drag at all crosswind angles. The carbon-fiber frame is 19 pounds—respectable for a sub-$4,000 tri bike—but surprisingly responsive to even subtle cues. The fit was the most comfortable of any tri bike I’d ever ridden. Its base bar is positioned a bit closer to the rider (which I liked), but it’s easy to slide it out to fine-tune the fit. The pads and aerobars are also highly adjustable, offering a range of possible variations. The version I tested came equipped with Ultegra 6800 Series components, which offered clean, crisp shifting up and down the 11-speed drivetrain, whether I was hammering the flats or climbing and descending the Pennsylvania rollers I spend most of my time riding. My one quibble was the feel of the Bontrager brake calipers and levers, which had a little too much give and a disconcerting (to me, anyway) lack of crispness. I prefer brakes that announce themselves with military precision, especially on a bike this fast. But the Speed Concept 7.5 seemed to prefer soft diplomacy.

So my hands instinctively brushed the brake levers this past August when I once again approached The Left Turn in the final descent of that Olympic tri. Yes, this time I knew it was coming, but the Speed Concept 7.5 was so smooth and responsive that I didn’t need the brakes. The bike—which was fast enough on the rest of the course to help me shed four minutes from my prior year’s ride—simply did what I wanted it to do: corner sharply but cleanly, delivering me to an exhilarating finish.

The Speed Concept 7.5 surprised me again a few weeks later during a sprint tri featuring a four-mile-long ascent that climbs almost 1,000 feet. It wasn’t easy—I was still riding a tri bike, after all—but I downshifted all the way and cruised to the top, past other riders serpentining or walking their bikes. A few days later, the Speed Concept 7.5 earned some style points. “That is a beautiful bike,” a diehard roadie said, after seeing it on my roof rack . “Most tri bikes look kinda alien. That almost looks like a road bike.”

And so after test-riding this remarkably versatile tri bike all summer, I paid it the highest compliment of all: I bought it.

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Trek Speed Concept 7.5 (2011)

So you want a Speed Concept? So say 44 percent of you, if you are one of those indicating you'll be buying a so-called "superbike" during the 2011 season. Why has Trek done so well in the superbike poll? One reason is that Trek masterfully rolled out its Speed Concept launch. Another is that a complete bike "Speed Concept" can be bought from $9000 all the way down to $2000, and the carbon version down to $2500. Another reason is, well, Trek did a nice job with the bike. The model featured here is in the middle of that price run. Well, a little toward the lower end, but, at $3670 it's right in that sweet spot where you get a lot of bike for a fairly reasonable price. A lot of companies are fighting it out tooth and nail in this circa-$3500 price region, Trek among them. Back to our poll. When we ask why it is you're buying a Speed Concept, 22 percent said it was because of "integrated brakes." The same percentage said it was the Speed Box that convinced you. 17 percent said "hidden cables." Another 6 percent said "Bayonet style forks," 4 percent said "Duo Trap sensor," and so forth. Frame When we asked whether "Kamm-tail airfoils" is the reason for your interest in a Speed Concept, 19 percent of you checked this box. Bingo. At least, if it's the Speed Concept 7.5 your interested in. This, because none of the other features come stock, or at all, on the 7.5 (though you can add some of these features back as accessories, we'll get to that). What's different about this bike is the Speed Concept's frame aerodynamics and, in particular, its reliance on Kamm tail shapes. That's the case Trek makes in its Speed Concept white paper . I'll not go into the details of the Kamm tail concept, I'll simply refer you to the white paper for that. Still, here's what you need to consider, if the aerodynamics are what are driving you to the 7.5. It's very likely that much about what makes this bike fast are the first, and the last, things the wind sees. The first thing the wind will see when it hits a Speed Concept 9.5 is a fork, a stem, and a set of front brake calipers you won't get on the 7.5. The last thing you see on a 9.5 is the trailing edge that the Speed Box grants this frame. The last thing you'll see on the 7.5 is not the Kamm Tail, rather whatever it is you put behind the saddle to carry your spare stuff, unless, of course, you invest in the Speed Box (highly recommended). It's best you understand, when you read Trek's white paper, that some of the features on which the white paper rests its case for its superior aerodynamics are found in the 9 series, not all these features are found in the 7 series.

Front end config This does not mean that the 7.5 is necessarily inferior to the 9.5. You'll spend an extra $2100 to upgrade to the 9.5 and, remember, some people are going to end up not using the original equipment Bontrager Speed Concept aerobar. So, they're going to have to place a "spud" on the 9.5's steerer and stick a standard stem on the bike, so they can use the aerobar of their choice. This, then, reduces the value of the 9.5, both aerodynamically, and, in terms of what you get for what you pay. The bottom line: Most of the value you get when upgrading to the 9.5 is in the fork and what attaches to it. But the fork requires the use of the Bontrager bar. Before anyone should get too hepped up over the 9.5, he should find out for certain whether the Bontrager bar is going to work for him. After all, it is a contact point , and this ups the ante—this, and the saddle, are the most important elements of your bike. Make sure this bar is what you want. If it isn't, it would be silly to spend the money for a 9.5, when a 7.5 carries most of the same parts, and the same frame, for $2000 less. Geometry The Equinox TTX was a bit of a geometric chameleon. Depending on the frame size, the geometric personality of the bike changed. Not so with the Speed Concept. It's graded straight and true—each size strikes the same geometric pose as the next. As you can see from the data accompanying the graph below, which I've plagiarized from Trek after they plagiarized it from me (with permission), Trek's Speed Concept is designed purposefully to be two things: a tri bike rather than a TT bike; and politically ambivalent. The Speed Concept is neither conservative nor liberal. It is a moderate. In fact, in honor of the 7.5's color, you might call it a geometric Blue Dog. Because it plays it right down the geometric middle, you have some wiggle room as a user. If you need a taller/narrower bike, or a lower/longer bike, you can do this via a combo of headset spacers, stem pitch, and aerobar geometry. But I'll say what I always say: get as much Speed Concept underneath you as you can. Buy the shorter, flatter stem, and the bigger frame size.

The Bontrager bar spec'd on this bike is of a taller style than the Bontrager that'll go on the higher end Speed Concepts. Still, I wouldn't demand a change to a lower-profile aerobar until I got myself fitted, and saw whether this bar was a good match for me. First things first: Get rid of all but 25mm or less (15mm is close to ideal) of total distance (headset top cap plus spacers) between the head tube top and the bottom of the stem, and, get yourself a flat (-17°) stem on your prospective bike. Make that stem be 100mm if you're riding a 58cm or 60cm bike) or 70mm (if you're riding a 52cm bike or smaller) or something in between in the other sizes. Then decide whether that Bontrager aerobar geometrically works for you. Just remember, aerobars are like the wheels and tires, and the radio, on a new car you buy. All that stuff is changeable. Make sure that your new Speed Concept 7.5 is how you want it to be spec'd and built when you roll if off the showroom floor—Lord knows these superbikes don't cost you that much less than a car these days; you should be as certain as you can of its final config when you take it away from the shop. Before I leave the topic of geometry, Trek did something that warms my cockles. It built a small Speed Concept with 650c wheels. Great guys, these Trek engineers. Now those under 5'6" can ride a Speed Concept that fits and handles. Modularity This is what makes the 7.5 a really elegant option: you have the ability to get much of the "good" of a Speed Concept without getting boxed into a specific aerobar that may, or may not, be to your liking. Not that there's anything wrong with the Bontrager aerobar. Just, aerobars and saddles are very personal, and the 7.5 is the last bike in the Speed Concept series that gives you the ability to swap bars out without some sort of monetary or aerodynamic penalty being paid if you want to change (i.e., I can think of few good uses for an original equipment Bontrager Speed Concept aerobar if it gets pulled off a Speed Concept in favor of a replacement bar—so you're not going to get much trade-in value for it). The flip side is also true: if, both geometrically and comfort-wise, Bontrager's Speed Concept aerobars appeal to you—that's a slightly different bar, remember, than what comes on the 7.5–you might think of girding your loins and up-spending to the 9.5. This, because it's hard to find your ideal aerobar, and if you find it aboard the Speed Concept 9.5, here's a bona fide reason to spend the extra money and reach up to the 9.5.

Handling Trek does something opposite of Cervelo. And it's striking. While Cervelo raises its bottom bracket versus the industry standard, Trek drops its bottom bracket. What this means, on paper, is that Treks are going to handle slightly better around corners, on descents, and the like. But you can pedal around corners on your Cervelo, while you might be very reticent to do so on your Trek. It's just a case of what feature appeals to you more. In all other respects Trek has done a nice job of making no geometric mistakes with the Speed Concept. It's designed everything correctly in terms of not only the fit, but the handling. Each Speed Concept size has 60mm or 61mm of trail; each size has about the right amount of front/center and wheelbase; your weight displacement will be correct. This bike will be a better handler than Trek's Equinox TTX line, and vastly better than its Team Time Trial bike. I cannot think of a thing I would have done differently if I were to be tasked with the job of designing a bike exhibiting both good handling, and good fit characteristics. Except that bottom bracket drop. I'm an agnostic on that—8cm is a lot of drop. Of course, the trend is to go shorter with cranks these days on timed race bikes, so, that largely normalizes for the increase in drop. That's the calculus here when guesstimating cornering clearance while pedaling. Gruppo It seems to be the case that most of the major bike manufacturers are spec'ing Shimano Ultegra for their circa-$3500 bikes. Cannondale, Cervelo and Scott are all spec'ing Ultegra along with Trek (Felt bucks the trend, and chooses to go with a SRAM Red mix on its B12). The Speed Concept 7.5 is outfitted with Ultegra cranks, Ultegra front and rear derailleurs and brake calipers. Only on consumables, such as the cassette, does the spec dip to 105. Wheels are Bontrager Race Lites and tires are Bontrager R3. I've become a fan of Bontrager wheels/tires. I've claimed before these wheels are bomb-proof and, in my experience, they are in fact bomb-proven. But I must add that my Bontrager experience has been with paired spoke wheels. Now Bontrager has gone back to alternating spokes, because the axial load generated by paired spokes is negated by the recent trend of Bontragers toward wider (hence axially stiffer) rims. Fine. I always thought alternating spokes were better. Less sexy, true, but more reliable. Here's a tip for you young bucks: the older you get, the more appealing reliability becomes. Speaking of sexy, it remains true that you don't get the Speed Box and the Duo-trap sensor standard on the 7.5. But, the bike is "ready" for these add-ons. For less (probably) than $200 total you can get these two features, and, if you're a good haggler, perhaps you can get them for less yet. All these detail-type features add up to grant the Speed Concept its full aerodynamic advantage. Nobody ever wind tunnel tests bikes the way they're actually raced, with spare tires behind the saddle, gels taped on the top tube, computer cables everywhere, do they? This is where the Speed Concept separates itself from its competitors. The Speed Concept series is an exciting line of bikes. It's the best single step forward since Felt's 2007 tri bike introduction. The Speed Concept 7.5 is Trek's implementation of moderation in all things: price; modularity; aerodynamics; geometry; spec. Trek gives you a bike that offers many of its best aerodynamic features; a lot of wiggle room on front-end options; a highly functional but not ridiculously sexy gruppo; at a very fair price.

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Trek Speed Concept 7.0 review

Designed to be an integrated, aero system – but is it all systems go, or is there a spanner in the works?

Jamie Beach

Trek Speed Concept 7.0 triathlon bike review

The Speed Concept 7.0 may look like a bike but it’s really more of a system – a system to transport air smoothly over its surfaces, while transporting you, your fuel and your spares smoothly to T2.

>>> Best triathlon bikes of 2014

You could say that of any bike, though, as they all fit the definition of system: a selection of parts assembled to form a mechanism that performs a particular task. But very few of them use parts that are as integrated as those on the Trek Speed Concept.

Sure, some bikes have a frame and fork that are built to work together and others might even amalgamate the brakes into the design. But Trek has gone further and incorporated the storage options, brakes, brake booster and even quick releases to help the Speed Concept perform its task.

The headset provides a rock-solid platform for cornering and has a number of storage options on the heads tube

First of all, there’s the frame. It’s constructed from Trek’s 500-Series OCLV carbon fibre made into Kamm-tailed tubes for the main triangle. The flat-backed, ‘truncated-teardrop’ profile not only makes for stiffer tubes than those using the full aerofoil shape, it also means the tubes are just as aerodynamic but less susceptible to the will of crosswinds.

Airflow around the head tube is smoothed out by its Kamm-tailed trailing edge but also by the fork’s prow that sits in front of it to provide even more of a fairing. Built into the top of the fork is a centre-pull brake, while the bottom is shaped so the quick-release lever can sit flush with it.

The rear brake is positioned behind the bottom bracket shell and is covered by Trek's Speedfin for aero gains

Similar consideration has been paid to the frame and attachments at the rear end. The seat and chainstays meet at a dropout that’s shaped to blend with the quick-release lever on the non-driveside and provide an exit port for the internally-routed rear-mech cable on the other. The rear brake is not only hidden behind the bottom bracket shell, it’s also shrouded by Trek’s Speedfin – a fairing that acts as a brake booster as well as smoothing out the airflow.

Storage options and computer sensors are also integrated into the Speed Concept (although sold separately). A mount for a Duotrap sensor is built into the non-driveside chainstay while mounts on the top tube and behind the seat tube allow you to add aerodynamically optimised tool and fuel carriers. In the 7.0 configuration, the Speed Concept also comes with Bontrager bars, a Vision saddle and a Shimano 105 drivetrain.

Carbon forks complete the aero set-up, although the wheels would be the first thing to upgrade

The wheels supplied are from Bontrager – Trek’s in-house component brand – and they’re fairly standard shallow, alloy training wheels, performing with no issues or thrills on standard training rides. The benefit of the training rims is that they keep the price down in comparison to coming supplied with deep-rim race wheels (especially if you’ve already got your own) but, if you haven’t got a set of race hoops stashed in the garage, these will be the first things you’ll want to upgrade if you’re serious about increasing race-day speed.

A lot to carry

You get a lot of bike with the Speed Concept 7.0. Not just in terms of all the aerodynamic shaping and integration but also in terms of weight. It tips the 220 scales at 9kg, which is exactly the same as the £2.5k Specialized Shiv Elite tested recently , but the Trek feels heavier when you’re riding it than that other major player.

Once it’s going, the Speed Concept is fine but getting it going takes quite a bit of coercion. It’s not one of those bikes that springs into action; rather accelerating it is a noticeable labour. And although the Speed Concept’s weight helps somewhat when you’re cruising on the flat, you can feel gravity taking its toll on the hills – the speed bleeds out of it.

It’s a shame because in other respects the Speed Concept handles well. It’s a rock-solid platform that corners with confidence and has the stiffness needed to let you push all your effort into it knowing that none of it’s getting lost in flex. The only trouble is the weight that makes it so stiff also makes it so difficult to shift.

The integrated brakes are good, especially the boosted back brake. Often integrated brakes can be a little lacking in stopping power, especially on tri/TT bikes, but not in this case. The Speed Concept has plenty of stopping power – and frankly, given the momentum you can build up with the weight it’s carrying, it needs it.

There are no worries on the comfort and adjustability front with plenty of scope for shifting the bars and saddle back and forth, in and out, and up and down to get them in the right places before you ride. And even though stiffness was a priority for the Speed Concept, it’s not been engineered in at the cost of its comfort while you’re riding.

The Speed Concept 7.0 has plenty going for it. But it’s in a very competitive price bracket and its weight is holding it back. Granted it’s not significantly heavier than many of its rivals, but it feels like it is out on the road. And that’s when all it’s carrying is a rider and a 500ml bottle. So you can imagine what it’s like when it’s loaded down with the full complement of storage options, integrated or not.

Verdict: Potentially a great bike but in this guise it’s buried under what feels like a lot of extra weight, 69%

Contact : www.trekbikes.com

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Reviewed: The Gen 3 2022 Trek Speed Concept SLR 7

We give you the nitty gritty details and ride impressions on the 2022 trek speed concept—a simplistic-but-necessary update to trek's well-loved (and well-worn) speed concept line., review rating.

Trek has finally added disc brakes, simple build/breakdown for travel, and a minimal suspension system to its Speed Concept line—all while trimming weight and improving aerodynamics, handling, and acceleration.

Simple fit adjustments/build/breakdown Fantastic handling/acceleration Shockingly light weight Improved aerodynamics More options with disc wheels

Surprisingly rough ride despite suspension system No truly integrated hydration Aerobar extensions cannot be swapped Very wide, very stiff stock saddle 51mm wheels are a little shallow to come stock

19 pounds 12 ounces

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2022 Trek Speed Concept SLR 7: The Basics

We dig much (much) deeper into each of the features on the 2022 Trek Speed Concept SLR 7 in our extended review here , but let’s take a look at the basics you need to know about this bike. For our review, we rode the baseline SLR 7 Ultegra Di2 version, but the framesets are the same from the SLR 7 to the SLR 9 Dura-Ace. First, Trek has finally upgraded their slightly long-in-the-tooth Speed Concept line with disc brakes—which were a long time coming. They’ve also ditched the monopost aerobar riser for a two-post system and much-simplified front end that’s incredibly easy to work on (for travel, fit, or even general maintenance).

The new Speed Concept also has the fascinating IsoSpeed suspension system that’s meant to remove vibrations from the road into the rider—reducing fatigue for the bike and run. Trek has also improved aerodynamics by a claimed 16 minutes over 112 miles (or 16 watts at a Kona-winning 26mph average pace— here your mileage may vary, a lot) and somehow kept the weight below 20 pounds for a size medium with all hydration and storage removed. This is no small feat, by the way.

2022 Trek Speed Concept SLR 7: What We Liked

Trek did a great job with this big Speed Concept update by simplifying where they needed to (the front end, assembly, etc.) and making some pretty interesting improvements elsewhere (the IsoSpeed suspension, the integrated tool kit cleverly housed in the downtube, monstrous, organized storage in the top tube, etc.).

As such, Trek rides the fine line very well between features and real-world usability. But the thing that truly stands out on this bike is the ride itself. It’s rare to find a bike that handles intuitively—even on the first ride—cuts corners tightly, without being twitchy, and actually jumps when you stand up. Sure, killer sprinting isn’t going to win your next Ironman, but it does make riding it much more fun than some wobbly noodle. This is a bike that’s not only a blast to ride, but it’s light weight, and solid feeling—things won’t be rattling off this bike, nor do you need 100 allen wrenches of varying types from microscopic to star-shaped.

2022 Trek Speed Concept SLR 7: What Could Have Been Better

One of the biggest flashy features I was excited to try on this bike was the otherwise omnipresent IsoSpeed that Trek has been using on its various road lines for years. It all makes sense for triathletes—less vibrations mean less fatigue, less fatigue means a better ride and run, especially over long-course distances. Sadly, the unadjutable IsoSpeed only handles high-frequency road chatter as good as most well-tuned double-diamond bikes, but medium- to low-frequency bumps and jolts still hit. Technically beam bikes like the Dimond, Ventum, or Cervelo PX-Series have been using suspension, but the new Speed Concept is singular in the double-diamond world. Make it adjustable (like many other Trek bikes), and maybe it’ll be better, but otherwise the Speed Concept was a little jarring, even when compared to something like the Scott Plasma 6 or the new Quintana Roo V-PR.

There are a few other nitpicky things potential buyers should probably know, but I’ve covered that in more detail in this extended review .

Conclusions

This is a great bike on a long-needed upgrade to a well-loved line. As a gear editor who has to assemble, adjust, ride, readjust, ride again lots and lots of supercomplicated superbikes, it’s a joy to quickly assemble and adjust a new bike that’s actually fast and (mostly) does what it says it will. I can’t oversell how much fun this bike is to ride—as a quick, tight-handling setup that draws similarities to most people’s (and brands’) benchmark favorite tri bike, the Cervelo P5. Both bikes are UCI-legal, still have tri-specific details, are simple in their design, but well thought out, and extremely effective in their execution. I expect most of my big complaints (above) and little complaints (this review) can easily be ironed out in future iterations, so I’d still recommend this upgrade to anyone—particularly those Trek owners who have been toiling with rim brakes, brake-caliper cowlings, and wacky front ends.

RELATED: Trek Speed Concept SLR 7 Extended Review 

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2015 Trek Speed Concept 7.0

A carbon frame triathlon bike with upper mid-range components and rim brakes. Compare the full range

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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.

Speed Concept 7.0

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Oct 2015 · David Willey

Premium handling and compliance with triathlon-ready aerodynamics

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With a laser focus on aerodynamic performance, this bike flies on the open road

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The 2014 versions can save around two minutes during the 112-mile bike leg of an Ironman race

An aero aluminium frame with a curious component selection and a riding position that's too sat up for flat-out TT speed

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Results have arrived, trek speed concept 7.5 triathlon bike - 2017, x-large, item #btt12942, condition: certified pre-owned what's this, fit range: 6'3" - 6'5" sizing guide, every certified pre-owned bike passes our multi-point inspection.

• Frame integrity verified
• All components inspected
• Drivetrain cleaned and tuned
• Suspension adjusted
• Wheels trued

Our RideFast shipping means this bike gets to you quickly and securely. Domestic US ground rates are a flat $135 for regular bikes or $150 for e-bikes.

Quick Assembly

• Bikes arrive tuned and mostly pre-assembled
• Torque tool & video guide included
• Get riding in 15 minutes

Canadian Customers

Please note that any duties, taxes, or surcharges as required by Canadian customs and provincial authorities will be the buyer's responsibility. Shipping to Canadian addresses may take longer than expected due to customs.

Guaranteed Buyback

We'll happily purchase this bike back from you when you're ready for your next upgrade. A TPC buyback offer is guaranteed for 18 month on all qualifying bikes.

30-Day Returns

If this bike isn't perfect for you, our Ride Guides will help you find the right one.

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Inspected. Tested. Trusted.

What is cpo.

CPO bikes are gently ridden bikes that have been meticulously inspected, restored and serviced. Every CPO bike is cleaned, tuned and tested in our top-of-the-line Colorado headquarters. Road, mountain, ebike or gravel, TPC services each bike over 8 phases and multiple points of inspection.

Bikes are meant to be used.

Ask a Ride Guide about this

Sizing guide.

The chart below provides a general suggested range of heights and is not exact. Sizing may vary across brands.

The tailoring of any bike is an important step in the long term enjoyment of riding and it can take time to adjust to the fit of a new bike. All contact points (pedals, shoes, and saddle) can be changed and altered for personal preference, performance, and comfort.

Contact our Ride Guides if you have any questions about the fit of your new bike.

866.401.9636 - Contact the Ride Guides

Purchase your next bike with the same confidence you would when buying new. We scrutinize age, condition, and quality. If a bike meets the standard, our pro tune and service will guarantee that your ride will be in pristine condition when it arrives at your door.

• Speed Concept 7.5