Trek Speed Concept 9 Series

Laser-focus on aerodynamic performance.

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This article originally appeared on Bikeradar

The new 9 series Trek Speed Concept is a bitching bike, in two ways. Once built, the bike flies out on the open road with stable steering, great aerodynamics and good looks. But while you (or your mechanic) are building it or working on it, you will be bitching.

Pros: Excellent aerodynamic performance: fast and stable; range of builds and paint jobs through Project One; add-ons like the trunk add real functionality and claimed aero benefit Cons: Adjusting front end for fit tweaks and/or travel is a chore; plastic frame parts feel cheap

Like most of the super bikes these days, the Trek Speed Concept is a purpose-built machine with a complete prioritization on performance above all else. Trek engineers can trot out reams of data on how the aerodynamics are superior to previous iterations, and looking at the svelte front profile and internalization of not only cables but fasteners as well, it’s not a stretch to believe that the bike performs admirably in the wind tunnel.

We tested the bike over a few hundred miles in training and in an Ironman 70.3, and came away very impressed with the bike. Our only gripes were the challenge of front-end adjustability and the relative sub-par performance of the plastic parts.

Trek sent a test bike with a Campagnolo Record EPS electronic group, but since this bike is available as Project One custom builds, we will focus on what is unique to the bike, plus the wheels.

To tweak the original Speed Concept, Trek engineers studied real-world wind conditions on Ironman courses, and settled on optimizing the bike for yaw angles between zero and 12.5 degrees. (They found 3-5 degree average yaw in Arizona, up to a 13 degree average yaw in the notoriously windy Kona worlds course.)

By slimming the front profile and tweaking the Kamm tail tubing, the 2014 version is substantially faster and lighter than its predecessor, Trek claims. For our purposes, we were only going on feel, not wind tunnel data, and in our experience, the bike handled very well in all wind conditions. With a head tube angle of 72.5 degrees on the three larger sizes, and a seat tube angle of 80 degrees across all sizes, the Speed Concept was never nervous or twitchy, even with the 90mm-deep Aeolus 9 D3 wheels in blustery sidewinds. For sure, you can feel side pressure from the wind, but the handling is always predicable and manageable. We were comfortable riding in the aero extensions through fast corners and down windswept hills.

Bottom bracket area stiffness isn't so much of a concern on such a bike, but the bike does accelerate with some snap, perhaps due to the relatively short but robust chainstays, enormous bottom bracket area and huge down tube. The low bottom bracket (8cm drop) contributes to stability.

Comfort on the frame is good. We swapped out the stock saddle for a firmer option, and were still comfortable for two- and three-hour efforts on the bike.

Total bike weight for our Large sample was 19.18lb. While Trek declined to quote a frame weight, its engineers say the frameset, cockpit setup, headset, BB and small frame parts come out to 1,874g, which they claim is less than comparable measurements on a Cannondale SliceRS, a Specialized Shiv Tri or a Cervélo P5-6.

Modular front end: For engineers, aerodynamics trumped convenience

Granted, this bike is way out on the pointy end of aero performance, and machines with such low-drag front ends have until recently been custom creations for the world's best pros. So we appreciate the challenge in building a stock bike that has both a superior aero shape and the ability to adjust to fit a range of riders. Trek's solution is a modular front end, with a collection of stem heights/lengths and riser blocks. From there, one of four monocoque extension bars mounts atop the riser block of choice, and the pads are mounted via a collection of bolts and mount options. Should you have your measurements dialed ahead of time, Trek provides a worksheet that will get your fit close, specifying which stem and riser block to use.

Trek has improved the cockpit options somewhat for 2014. You can tilt the extensions with the adjustment of three bolts, which is nice. But the base bar remains dead level. This is best for aerodynamics, of course, but we would have preferred a slight upward angle on the outer handles for a bit more grip security.

And while there are four styles of extensions to choose from — S-bend, straight, ergo and short ergo — none allow width or angle adjustment as they are one-piece designs. Whether it's another price paid for aerodynamics or perhaps just simplicity in construction, it's certainly something to keep in mind. We used the ergo bar and found that while the bend angle was comfortable, we missed the rotational adjustment you can get on most aftermarket bars.

Knee clearance when out of the saddle was not an issue with the bar - as it sometimes is with TT/tri machines with large aero basebars.

Other components: Seatpost is super user friendly, but plastic parts aren’t the same caliber as the rest of the bike

The Speed Concept's spring-loaded seatpost clamp is a thing of beauty. It's just... easy. One 5mm bolt at the front for final tightness combines with a finger-operated dial at the rear for angle adjustment. A spring pushes the top plate up when loosening the bolts, and unlike many seatposts, there aren't loose parts to fall out when you swap saddles. If only all seatposts were this easy. Kudos, Trek.

The plastic parts are a bit disappointing. The front brake fairing - while it does offer little holes for pad holder adjustment on either side - did not sit perfectly flush with the fork on our test bike. For a bike of this cost, that's not cool. Also, while we love the functionality and general design of the Draft Box, the lid attachment feels chintzy, relying on the elasticity of plastic latches to lock it into place. The one time we crammed the Box to capacity, it popped open when we hit hard bumps like railroad tracks. When not jam-packed, the lid stays shut, but the connection mechanism definitely has room for improvement.

Trek sells the Speed Concept as a frameset and in a variety of bike builds. While we won't go into the Campagnolo EPS Record group here, it is worth noting that the Bontrager Aelous 9 D3 carbon clincher wheels were flawless throughout the testing. Having carbon clinchers on this bike makes good sense to us as there's no reason you can't race and train on the same wheelset. Yes, your buddies and perhaps total strangers will make fun of you for training on super-deep carbon hoops, but this is much better than training on shallow wheels then jumping on deep wheels for race day and freaking out every time the wind blows because you are unaccustomed to the feel. And besides, if you're going to spend this much on a bike, why not rock the hot wheels every day?

Bottom line: The 2014 Trek Speed Concept is a highly specialized machine within an already specialized category of bicycles. Working on it is not easy, but it does seem to live up to Trek's promises of a very fast, very functional machine for solo efforts — and with custom paint options, to boot.

trek speed concept fin

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TriTech for the Masses

trek speed concept fin

Trek Speed Concept 7 Series Project One – Review

We were excited when Trek rolled out their revised Speed Concept in mid-2013 . They had taken a frame that had been performing at their pro-peloton level and added a list of new features that specifically benefited the triathlon market, yet left the ability to be UCI legal for those who wanted it. To say we were looking forward to getting our hands on one may have been an understatement.

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A few months later, we got our first good look at the Speed Concept . From that point on, we knew we were hooked. When we reached out to Trek for a test model, we were met a better answer than we’d expected. Rather than an off-the-shelf Speed Concept, how about a Project One? If you’re unfamiliar, Project One is Trek’s in-house customization department. We were going to customize the perfect Speed Concept just for AG, and then we’d take a few months to test it.

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So here we are nine months later ready to share the AG team’s experience with our Trek Speed Concept 7 Series Project One.

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The Speed Concept

The speed concept got a thorough redesign for the 2014 model year. And rather than “revolutionary,” we think a more apt description may be “evolutionary.” Trek completely rethought the accessories that are a necessity for triathletes. Trek claimed their new design represents a 99-second improvement over its old form in Ironman Hawaii, and 148 seconds in Ironman Arizona when ridden at a 20mph average. The new SC also embodies a true “dual personality.” While it can be UCI legal, the SC can also throw the rulebook into the fire and become a triathlete’s new best friend.

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To accomplish this, the Speed Concept features two configurations. First is a “standard” fork that is UCI compliant with a 3:1 aspect ratio. For the triathletes out there (and Trek recognizes that the majority of the SC buyers will fall in this camp), there is a UCI-illegal, high-aspect-ratio (6:1) fork specifically designed to achieve every last bit of aerodynamic gain possible. The base bar can likewise be substituted for either a UCI-legal bar or a deeper non-legal version.

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Underneath the bottom bracket you will find the newest trick up the SC’s sleeve – the Speed Fin. The Speed Fin is a triathlon-specific rear brake cover that integrates a fairing to both improve aerodynamics as well as stiffen the brake (a UCI-legal cover is available that does not include the fairing but still stiffens the brake). Trek claims that the Speed Fin saves an average of 10 grams of drag between 0 and 12.5 degrees of yaw.

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One of the most interesting changes to the Speed Concept was its new mono extensions. Rather than individual bars connected to the base bar, the new SC’s aerobars are one single piece and are available in S-bend, straight, ergo (skitip), and short ergo. The pads are then connected to the mono extension with two bolts. When we built our Speed Concept we were shocked at just how easy it was to build the bike. And when we had to refit the bike from one editor to another, adjusting the bars was extremely straight forward—a welcome change from having to use a level to make sure we had both bars perfectly in line.

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The original Speed Concept introduced Trek’s Draft Box to the world, but the redesign takes it to the next level. The Draft Box is a rear storage compartment that can be fitted to the rear of the seat tube. First thing to know is that the Draft Box is draft neutral. Therefore you can carry almost anything you’d need and suffer zero aero penalty. The new Draft box is larger than the original and fits securely. We never ejected it throughout all of our rides. It can also be easily removed for UCI-legal events. Oh, and speaking of carrying anything you need, our Draft Box was filled with a tire, two tubes, two CO2s, an inflator, and a multi-tool. Obviously the Speed Concept quickly became our ultimate Sherpa bike.

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Up front is the new Speed Box (bento box) and a BTA cage that mounts to the mono extensions. The BTA cage features an integrated computer mount, which mounts cleanly to the mono extensions via the extensions mounting holes.

Project One

When Trek asked us if we were interested in Project One, we couldn’t say “yes” fast enough. After all, every member of the AG team has spent many an hour spec’ing out their perfect Speed Concept, Madone and Domane since Project One was introduced. This was our chance to do it for real.

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The first choice we had to make was do we go with a 7 series or 9 series? With the 2014 update, both now have the integrated front end, so the only major difference is the type of carbon fiber used (500 Series OCLV vs 600 Series OCLV). Additionally, only the 9 series is available in UCI legal Time Trial form. For a few seconds, we briefly considered building a true TT bike. However we quickly realize that our goal should be to create our perfect triathlon weapon. So we ditched the 9 series and went to a 7 series, which (by our math) also saves about $800.

Next up is paint selection. If you know the AG team, you can imagine that this bike had to be lime green. Then we decided to add some blue and black accent colors to finish it off. You also have the option to add a custom signature, but since this is a test bike, we decided against it.

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Gruppo selection was a tough decision. Did we go with top-of-the line electronic with a Dura Ace 9070 Di2 with integrated SRM? Or maybe we would stick with mechanical and go SRAM Red 22. On the other end of the spectrum was Shimano 105. But who were we kidding, we knew what we would choose before we even started – Ultegra 6870 . We have been fans of this group set since it was first introduced; the first real attempt by a manufacturer to bring an electronic group set to market at a semi-affordable price point (and considering you can now get a Felt B2 with Di2 for $3,699 , we think they made an impact!)

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Component selection is where you choose your aero package, wheelset, tires, handlebar, bar tape, and saddle. Because we had chosen the 7 series, the only aero package option was the Full Aero Package: for triathlon racing. However, if we had gone with a 9 series, we could have chosen the UCI-Legal Aero Package. Wheelset selection runs from simple aluminum Race TLR clinchers to a full Aeolus 9 D3 Tubular race setup. We went back and forth and finally decided to go with a clincher-based race setup. Even though it wasn’t an option on the site, we were able to work with Trek to do an Aeolus 7/9 D3 clincher setup. We went with a 7/9 since it most closely resembled in size the Reynolds Aero 72/90 we tested in 2013, and we thought it would make a great comparison (more on that later). With the carbon wheels, you can choose sticker color (obviously we went blue) and tire selection. Since we are already such fans of the R4 Aero , we went with those.

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For the cockpit we got the triathlon (non-UCI legal) basebar with our selection of the triathlon Full Aero Package. We went back and forth on S-Bend mono extension versus ergo. Devon wanted S-Bend, Mike wanted ergo….Devon won. Of course we had three types of bar tape in 15 colors to choose from, but we went black gel. And finally, time for saddle selection. Honestly we expect most people building a custom Speed Concept to cheap out on the saddle since they already have their perfect saddle from a previous bike. But for us, we went with the Hilo RXL. We have previously tested the Hilo RXL Speed Dial and wanted to try out the original.

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Finally, the last step – accessories. The draft box is a must. Honestly, it’s one of our favorite features of the bike. The 9 series is equipped with it standard, but for the 7 series, it adds an extra $62.99 to the total price. We’re telling you now, it’s worth it! We also went with the top tube Speed Box. Our one regret is we didn’t choose to go with a DuoTrap sensor. Trek designs their frames to cleanly accommodate the DuoTrap speed\cadence sensor without any zip ties or tape. It was one of those small items we missed. If we did it all over again, we would include it.

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Wow. Even after all that, we haven’t even finished. Once the “fun stuff” has been decided on, it’s time for sizing. We had to choose frame size, chain ring size, crank length, cassette range, stem size and seat post size. For those purchasing a Project One, you won’t be doing this on your own. Trek will help you set up a consult with a local Trek dealer to get this right. Our advice is to take your time here and make sure it’s perfect. Hopefully the dealer will have some sort of fit bike where you can test out the configurations. You are building your perfect bike, so above all, make sure the fit is absolutely perfect.

AG SC 2

And then we were done. Now it was just a matter of waiting for our masterpiece to arrive. Because the Project Ones are built and painted to order, it does take longer than an off-the-shelf bike. Some say the waiting is the hardest part, and we would be inclined to agree. But then, finally, a box arrived and our perfect Speed Concept was delivered.

Our Thoughts

Nine months is a long time to have a bike. And truth be told, it was way longer than we originally intended. Let’s just say that 2014 wasn’t exactly kind to the AG team. Two thirds of our editorial staff broke at least one major bone last year, and that had a major impact on how quickly we were finishing reviews (our hopes are high that 2015 is a different story). So for 9 long months, we saw our lime green Speed Concept sitting in the garage at AG HQ. And for 9 months we felt guilty every time we saw it. The Speed Concept is clearly a bike that begs to be ridden, not sit in the garage.  The Speed Concept exudes speed – between the aero tube shapes, ultra clean wiring, and deep wheels, it looked like it was moving fast while it was just sitting still. But we may be getting ahead of ourselves.

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The unboxing of the Speed Concept was extremely straight forward. Trek had pre-cabled the bike, so for the most part, it was plug and play. The wiring is clean – honestly some of the cleanest we have ever seen. The only time you see it is where it exits the integrated stem for the junction box. Everything else is self-contained inside the stem, base bar, and mono extensions. We initially fit the bike for Devon. After all, he chose the mono extensions. So first ride was his. The cockpit is extremely adjustable. You can easily move the extensions forward or back, as well as adjust the pads relative to the extensions. For anyone who has ever tried to ensure that their bars are equally level, while having both the pads and bars set at the perfect distance, the mono extensions are a welcome change. Adjustments took half the time of other bikes we have worked with.

The seat post is a simple two-bolt design. There’s no hidden wedge that you can accidentally lose inside the frame (something we hate to admit that we’ve done on more than one occasion). All this adjustability made swapping to a second rider a breeze. When Mike wanted to ride the Trek we loosened a few bolts and were off. Overall, it was probably one of the fastest swaps we’ve done.

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The one tricky part of the initial setup was the brakes, specifically the front brakes. Trek has hidden the centerpull front brakes behind a cover on the front fork. And while this makes for an ultra-clean front end, it does create some slight challenges for adjusting the brakes. For anyone who has ever adjusted centerpull brakes, you know that they can be quite challenging. Luckily we never reached the point of wanting to pull our hair out, but let’s just say that the longest part of the setup process was definitely the brakes.

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Speaking of brakes, lets jump over to the wheels and braking performance. We had a great experience with the Aeolus 3 D3 clinchers when we tested them previously. So we expected the 7/9 combo on our Speed Concept to be much the same. From a ride perspective they were everything the 3s were, but faster. And in so many ways they reminded us of the Reynolds Aero 72/90 set we had previously reviewed. The D3 is a 27mm wide design with a depth of 70mm for the 7 and 90mm for the 9. They were incredibly fast on the flats, but never felt like a huge burden to get up the hills.

Red Solid Line - Aeolus 9 D3 (90mm) with Bontrager R4 Aero tire Red Dotted Line - Aeolus 9 (90mm) D3 with Bontrager R3 tire Black Solid Line - Brand Z (81 mm) with Bontrager R3 tire

Red Solid Line – Aeolus 9 D3 (90mm) with Bontrager R4 Aero tire Red Dotted Line – Aeolus 9 (90mm) D3 with Bontrager R3 tire Black Solid Line – Brand Z (81 mm) with Bontrager R3 tire

Our only knock on the wheels was braking performance, and honestly this may have had as much to do with the brakes on the Speed Concept as the wheels themselves. When we tested the Aeolus 3s we found “braking performance that, for run-of-the-mill cork pads, was quite good” when used on a road bike with standard Ultegra brakes. With the 7/9 on the Speed Concept, we found the overall braking performance to be behind what we had seen on other tri bikes \ carbon wheel combinations. That’s certainly not to say that the braking performance was bad (we put more than enough miles on the bike and never felt concerned), it’s just that other combinations are better. This just wouldn’t be the wheel\bike setup we would want to take screaming down some steep switchbacks at 80 km\h.

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Of course time-trial-type riding (riding hard in a deep aero position) is what this bike was built for and what it excelled at. It was extremely comfortable to hold for long miles. The ease of adjustability of the cockpit allowed us to dial in the perfect position (plus, since this was a Project One, it was truly fit to match us from the moment it popped out of the mold) and just enjoy the miles. The ride was never harsh or jarring either. Devon often said that riding the Speed Concept was the closest to riding on glass he was going to get.

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We also found the Speed Concept was quick to accelerate from a stop. With its huge bottom bracket area that really wasn’t a huge surprise. And while the bike was not light (especially when compared to Trek’s own Emonda), it never overtly felt heavy. Sure, we wouldn’t take this bike sprinting, but a rolling course would be no challenge for it.

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In many ways we found this to be the ultimate triathlete training bike. You could easily carry enough equipment for a century ride without any concern of needing refuel stops or someone to call for emergency SAG. With a BTA bottle up front, two bottles in the triangle and two on the rear, you were all set for hydration. In the Speed Box (bento box) we fit all the gels we could possibly need. And as we mentioned above, the Draft box was filled with a tire, 2 tubes, 2 CO2s, an inflator, and a multitool – more than plenty to get you through the ride. In fact, the Speed Concept became our go to Sherpa bike. When editors were doing race training and carrying minimal onboard equipment, another lagged behind on the Speed Concept carrying all the extra bottles and spare equipment they both could need.

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One thing we did want to note was in regard to the BTA mount and mono extensions. The mono extensions include mounting holes for a BTA cage for use with a standard bottle or Speedfil A2 this was a thing of beauty. We never saw a bottle eject or shift, and the integrated computer mount put our Edge 500 in our immediate line of sight. However, if you are looking to use other BTA solutions out there, your choices may be limited. Because the actual aerobars on the extensions are shorter than most, you are limited on what type of BTA setup you can use. To further clarify, there is less room than what you’d find on a more “standard” setup, which typically provides a fairly large amount of distance between the shifters and the basebar. We weren’t able to fit a Torhans Aero 30 , Profile Design Aero HC or Nathan Sports AP Pro . You could conceivably fit an XLAB Torpedo by mounting the cage straight to the pursuits. But take our advice, if you have a strong preference for a specific BTA option, you may want to try to test fit it before you take the plunge here.

Wrapping Up

Nine months is a long time to get to know a bike, and certainly longer than most reviews we’ve completed up to this point. And of course we fully admit that most of that time was due to the prolonged stint of bad luck the team experienced last year. Despite that, we also cannot deny the fact that we simply didn’t want to give the Speed Concept back. Too often someone on the team would ask “Hey I am doing a 70-miler with race setup this weekend, can someone pace me on the SC?” And the only reason why Mike didn’t chose the SC for his A-race last fall was that he simply prefers a cockpit with ski tips. Otherwise there’s no doubt in our minds that the Speed Concept would have been his weapon of choice. And as we’ve said in the past—if we’d race it, we would certainly buy it.

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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

Heading out the door? Read this article on the new Outside+ app available now on iOS devices for members! >","name":"in-content-cta","type":"link"}}'>Download the app .

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).

trek speed concept fin

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.).

trek speed concept fin

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 .

trek speed concept fin

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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Speed Concept

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Speed Concept is a lot of things, but above all, it’s fast. Our most aerodynamic bike makes an ideal triathlon machine and a great choice for TT enthusiasts, who know every second matters. Plus, it’s an exceptional value: adjustability, integration, customization options, carbon aero wheels, and a 12-speed drivetrain—all in a super aero bike built for flat-out speed.

It's right for you if...

You’re out to win, and you’re looking for the aero advantage other triathlon bikes simply can’t provide. You understand fit is a crucial part of going fast, and you want a bike that’s infinitely customizable to your perfect aero position.

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The tech Trek Factory Racing rides

  • Top of the line lightweight 500 Series OCLV Carbon frame with drag-reducing Kammtail Virtual Foil (KVF) tube shaping
  • Full SRAM Red eTap AXS group with power meter
  • Fully integrated handlebar extension and stem
  • Bontrager Hilo Pro triathlon-specific saddle for an aggressive and aero position
  • Aerodynamic Bontrager XXX Aeolus 6 wheels

trek speed concept fin

The final word

When you ride Speed Concept, you’re gonna go fast. A lightweight carbon frame, aero tube shaping, carbon wheels, and an 12-speed SRAM Red AXS drivetrain mean speed and efficiency where it counts.

Triathletes, time trialists, general speed demons—this one’s for you.

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Simply the fastest

Discover more.

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A podium start for Milan at Tirreno-Adriatico

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Pedersen claims second in Paris-Nice opener

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Longo Borghini breaks the ice at Trofeo Oro in Euro

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PHOTO GALLERY – An epic day on the white roads

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Elisa Longo Borghini wins time trial championship

Longo Borghini claims her fourth Italian time trial title.

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Results have arrived, trek speed concept bikes for sale.

Shop new & used Trek Speed Concept bikes at TPC - The Pro's Closet. Find reviews, specs, weight info, and prices on various models (SLR 7, SLR9) and popular years (2016, 2017 etc). Read our 2022 Trek Speed Concept SLR 7 Quick-Take Review below.

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Trek Speed Concept SLR 9 - Weight, Specs, Price

2022 trek speed concept slr 7 review - a tpc rider's quick take, by owen h.

  • Top-tier Aerodynamics - The Speed Concept SLR 7's aerodynamics are second to none. Trek claims the new 2023 Speed Concept is 6 minutes faster at the Kona than the last generation bike.
  • The bike's aggressive geometry and design elements aim to minimize wind resistance at every opportunity. The integrated cockpit and sleek Kammtail Virtual Foil tube shaping create an aerodynamic profile that slices through the air.
  • Exceptional Power Transfer - The bottom bracket of the Speed Concept SLR 7 is stiffer than many other TT bikes I've ridden. This stiffness makes for exceptional power transfer. Every watt you pump into the pedals feels like it's directly propelling you forward. No energy wasted.
  • Fit Customization Options - One of the surprising aspects is the bike's adjustable fit. Triathlon bikes often sacrifice customization for the sake of aerodynamics, but Trek has managed to offer both with its Speed Concept. The integrated cockpit and seatpost provide a range of adjustment options that cater to a broad spectrum of riders.
  • Premium Price Tag - The Speed Concept SLR 7 doesn't come cheap. The advanced aerodynamic features and high-end components contribute to a price tag that could give the budget-conscious cyclist a moment of hesitation. ($10,199)
  • Not Versatile - This is a bike built for a purpose - it's a time-trial machine. If you're looking for a bike for group rides, casual spins, or any form of off-road or mixed-terrain cycling, this probably isn't the bike for you.
  • Complex Maintenance - With all its integrated systems and internal cabling, the Speed Concept SLR 7 can be a pain to work on. Regular maintenance and any necessary repairs might require a trip to a professional mechanic more often than not.

trek speed concept fin

  • Rider Notes

2021 Trek Speed Concept

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A carbon frame triathlon bike with ultra high-end components and rim brakes.

For This Bike

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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.

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Aug 2022 · VeloNews.com

The recall relates to the cockpit on each model, which Trek will replace for free.

Read Review

VeloNews

May 2022 · Jim Cotton

Van Dijk's track adapted Trek Speed Concept will be put to the ultimate test of endurance Monday.

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Last updated March 2

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Trek Speed Concept SLR 9 Review

Are you in the market for a new triathlon bike? Look no further than the Trek Speed Concept SLR 9.

With its cutting-edge technology and sleek design, this bike is a game-changer for serious athletes.

But before you make a purchase, it’s important to know all the details.

Choosing the right triathlon bike can be a daunting task, especially with so many options available.

Trek Speed Concept SLR 9 Review

In this review, we will delve into the features, performance, and overall value of the Trek Speed Concept SLR 9.

Whether you’re a seasoned triathlete or just starting out, this bike could be the perfect fit for your training and racing needs.

So let’s get started and see if the Trek Speed Concept SLR 9 lives up to the hype.

Trek Speed Concept SLR 9 Review

– Aerodynamic frame: The Speed Concept SLR 9 features a wind-tunnel tested frame design that reduces drag and improves aerodynamics, allowing you to slice through the air with ease.

– Integrated storage: This bike comes with integrated storage solutions, including a bento box for easy access to nutrition during your race, and an integrated storage compartment in the down tube for storing tools or other essentials.

– Adjustable fit: The Speed Concept SLR 9 features a highly adjustable fit system that allows you to fine-tune your riding position for optimal comfort and efficiency. This bike can be customized to fit riders of various heights and body types.

– High-performance components: This bike is equipped with top-of-the-line components, including a Shimano Dura-Ace Di2 electronic drivetrain for smooth and precise shifting, and Bontrager Aeolus RSL 51 carbon wheelset for maximum speed and performance.

Trek Speed Concept SLR 9 Review

– Integrated brakes: The Speed Concept SLR 9 features integrated Shimano Dura-Ace hydraulic disc brakes that are seamlessly integrated into the frame, reducing drag and improving aerodynamics.

– Aero handlebars: The bike comes with integrated Speed Concept aero handlebars that allow for a more streamlined riding position, reducing wind resistance and improving speed.

– Lightweight construction: The frame of the Speed Concept SLR 9 is made from lightweight 800 Series OCLV carbon fiber, making it incredibly light and agile, while still maintaining stiffness and durability.

– Sleek design: With its sleek and aggressive design, the Speed Concept SLR 9 not only performs at the highest level but also looks the part. This bike is sure to turn heads as you fly past your competition.

– Versatile use: While designed specifically for triathlons, the Speed Concept SLR 9 is also a great choice for time trials or any race where aerodynamics is crucial. This bike is built for speed and performance in any race scenario.

Trek Speed Concept SLR 9 Review

One of the standout features of the Trek Speed Concept SLR 9 is its aerodynamic design.

The bike is built with wind tunnel testing in mind, ensuring that every aspect of the bike is optimized for maximum speed.

From the integrated handlebars and stem to the tucked brake calipers, every detail of this bike is designed to reduce drag and improve performance.

Trek Speed Concept SLR 9 Review

The Speed Concept SLR 9 also features Trek’s proprietary Kammtail Virtual Foil (KVF) tube shape.

This unique design allows air to flow smoothly over the bike, reducing turbulence and further improving aerodynamics.

The KVF tube shape is found throughout the frame, fork, and seatpost, making this bike one of the most aerodynamic options on the market.

Trek Speed Concept SLR 9 Review

The Speed Concept SLR 9 is equipped with a full Shimano Dura-Ace Di2 electronic drivetrain.

This drivetrain offers smooth and precise shifting even in the toughest racing conditions, making it ideal for triathlons.

The bike features an 11-30t 12 speed cassette and a 52/36 chainring combination for maximum speed on the flats.

Trek Speed Concept SLR 9 Review

Wheels and Tires

The Speed Concept SLR 9 is equipped with Bontrager Aeolus RSL 51 carbon wheels and 25mm Bontrager R2 tires.

The Aeolus carbon wheels are lightweight, stiff, and aerodynamic, making them perfect for racing.

The 25mm R2 tires provide excellent grip in corners and a smooth ride on the straights.

Trek Speed Concept SLR 9 Review

Performance

In addition to its aerodynamic design, the Trek Speed Concept SLR 9 is also incredibly lightweight and stiff.

The carbon fiber frame and fork provide excellent power transfer, allowing riders to maximize their pedaling efficiency.

This bike also features a wide range of gearing options, making it suitable for both flat and hilly courses.

Overall, the Trek Speed Concept SLR 9 is a top-of-the-line triathlon bike that offers unmatched speed, efficiency, and comfort.

Whether you are a seasoned triathlete looking to take your performance to the next level or a cyclist looking for a high-performance bike, the Speed Concept SLR 9 is a great choice.

With its aerodynamic design, lightweight construction, and customizable features, this bike is sure to help you achieve your goals on the road.

Order yours online today and pick it up at your local Trek store or have it shipped to your home!

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"An impressively fast and comfortable top-of-the-range triathlon bike"

"Overall, we loved our time on the Speed Concept. The improved comfort, storage features and adjustability alone make it worth the wait over the previous version. Add in the claimed speed benefits, and you have a superbike that’s up there with the very best in 2022."

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"I can’t oversell how much fun this bike is to ride… a quick, tight-handling setup"

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IMAGES

  1. Trek Speed Concept Speed Concept 9.9 (2017)

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  2. Trek Speed Concept

    trek speed concept fin

  3. 2018 Trek Speed Concept

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  4. 2018 Trek Speed Concept

    trek speed concept fin

  5. Trek Speed Concept Speed Concept 9 Series Frameset (2017)

    trek speed concept fin

  6. The all-new Speed Concept

    trek speed concept fin

VIDEO

  1. TREK S 6

  2. TREK S 4

  3. trek vi

  4. Trek Speed Concept DSC 2022

COMMENTS

  1. Speed Concept

    Fastest ever. Speed Concept is a triathlon bike engineered to be fastest in its class. But it's not all aerodynamics and ultra-light carbon. It's also seamlessly designed hydration and fueling systems that boost your energy post-swim, keep you strong as you cycle, and set you up for your best run ever. We put our best into this bike, and ...

  2. Speed Concept triathlon and time trial bikes

    Her new record covered 49.254 kilometers in 1 hour at the velodrome. 2022 Ironman 70.3 World Champion - Taylor Knibb. Speed Concept is our fastest time trial and triathlon bike. It's made for setting PRs and winning gold wherever you race. See the bike online and in-store.

  3. Speed Concept

    Saddle: Bontrager Hilo Comp, hollow chromoly rails *Seatpost: Size: S Bontrager Speed Concept Race Lite, alloy, +/-20mm offset, 275mm length Size: M, L, XL Bontrager Speed Concept Race Lite, alloy, +/-20mm offset, 335mm length Handlebar: Bontrager Speed Concept KVF aero bar, carbon, direct mount, UCI legal

  4. Trek Speed Concept 9 Series

    Trek Speed Concept 9 Series: The Campy battery prevents use of the 'Speed Fin' fairing that normally bolts onto the bottom of the bottom bracket shell to shelter part of the rear wheel (Image ...

  5. Trek Speed Concept 7 Series Project One

    Trek claims that the Speed Fin saves an average of 10 grams of drag between 0 and 12.5 degrees of yaw. One of the most interesting changes to the Speed Concept was its new mono extensions. Rather than individual bars connected to the base bar, the new SC's aerobars are one single piece and are available in S-bend, straight, ergo (skitip), and ...

  6. Reviewed: The Gen 3 2022 Trek Speed Concept SLR 7

    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.

  7. Trek Speed Concept 9 Series review

    Laser-focus on aerodynamic performance

  8. 2019 Trek Speed Concept

    2019 Trek. Speed Concept. A carbon frame triathlon bike with ultra high-end components and rim brakes. Compare the full range. RRP: ... 500 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, BB90, Speed Fin compatible, DuoTrap compatible, SC Draft Box 2 & SC Speed Box compatible.

  9. Speed Concept

    The final word. When you ride Speed Concept, you're gonna go fast. A lightweight carbon frame, aero tube shaping, carbon wheels, and an 12-speed SRAM Red AXS drivetrain mean speed and efficiency where it counts. Triathletes, time trialists, general speed demons—this one's for you. The home of Trek Factory Racing, and all the Trek programs ...

  10. Trek Speed Concept Bikes For Sale

    Shop new & used Trek Speed Concept bikes at TPC - The Pro's Closet. Find reviews, specs, weight info, and prices on various models (SLR 7, SLR9) and popular years (2016, 2017 etc). Read our 2022 Trek Speed Concept SLR 7 Quick-Take Review below.

  11. Fitting your Speed Concept

    A great fit for more riders. This graph shows the 200+ fit data points we considered when designing Speed Concept. Our goal was to capture as many of these real-world fit positions as possible, while also keeping the front end simple, clean, and aerodynamic. Pad Stack and Reach (7 Deg Extension Angle) By the numbers.

  12. 2018 Trek Speed Concept

    2018 Trek. Speed Concept. A carbon frame triathlon bike with ultra high-end components and rim brakes. MSRP: $3,999: Weight: ... 500 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, BB90, Speed Fin compatible, DuoTrap compatible, SC Draft Box 2 & SC Speed Box compatible.

  13. 2021 Trek Speed Concept

    Trek recall: 2022 Speed Concept SLR, 2021-2022 Emonda SLR, and Bontrager Aeolus RSL VR-C handlebar/stem. Aug 2022 · VeloNews.com. The recall relates to the cockpit on each model, which Trek will replace for free. ... BB90, Speed Fin compatible, Duotrap-compatible, SC Draft Box 2 and SC Speed Box 2 compatible. BB Standard: ...

  14. Trek Speed Concept 7.0 (2014) Specs

    And a lighter frame means a faster ride. 500 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, BB90, Speed Fin, DuoTrap compatible, SC Draft Box 2 & SC Speed Box 2 compatible. View product specifications: Trek Speed Concept 7.0 2014 - View Reviews, Specifications, Prices, Comparisons and Local Bike Shops.

  15. Trek Speed Concept 2.5 review

    Trek Speed Concept 2.5 review - BikeRadar

  16. Trek Speed Concept SLR Review: Trek's Fastest Ever Bike

    Join Colin from ACTIV Cycles as he introduces the Trek Speed Concept, the aerodynamic triathlon bike made from Trek's 800 Series OCLV Carbon and SRAM 12-spee...

  17. Trek Speed Concept 9.9 (2015) Specs

    600 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, BB90 w/Speed Fin, DuoTrap compatible, SC Speed Box compatible, includes SC Draft Box 2. View product specifications: Trek Speed Concept 9.9 2015 - View Reviews, Specifications, Prices, Comparisons and Local Bike Shops.

  18. Trek Speed Concept SLR 9 Review

    The Speed Concept SLR 9 is equipped with a full Shimano Dura-Ace Di2 electronic drivetrain. This drivetrain offers smooth and precise shifting even in the toughest racing conditions, making it ideal for triathlons. The bike features an 11-30t 12 speed cassette and a 52/36 chainring combination for maximum speed on the flats.

  19. Speed Concept 7.0

    Weight. This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg). Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production. Discover your next great ride with Speed Concept 7.0. See the bike and visit your local Trek ...

  20. Speed Concept SLR 9

    Model 5310378. Retailer prices may vary. Speed Concept SLR 9 is an aerodynamic carbon triathlon bike engineered for incredible speed and seamless integration. Every bit of this bike—from the light aero frame to ride-smoothing IsoSpeed to cutting-edge fuel and hydration systems—has been painstakingly designed to help you beat your PR again ...