trek emonda rival axs

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2024 Trek Émonda SLR 6 AXS

A carbon frame race bike with upper mid-range components and hydraulic disc brakes. Compare the full range

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Émonda SLR 6 AXS

In Stock: 54, 56, 58, & 60cm

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Compare the full Émonda model range

4'11" – 5'3"

5'1" – 5'5"

5'3" – 5'7"

5'5" – 5'9"

5'8" – 6'0"

5'10" – 6'2"

6'0" – 6'4"

6'2" – 6'5"

• 6'2", size 58cm, Just right
• 5'10", size 54cm, Just right
• 5'4", size 50, Just right

Nov 2023 · Charlotte Head

Hill climbers push their bikes to the extreme and this Trek Émonda is the perfect example, slimmed down to an

Read Review

Dialed geometry, smooth welds, and an excellent ride feel add up to make the latest aluminum Émonda ALR a great alternative to pricier carbon bikes.

A great riding aluminum frame with dialed fit and geometry

Mostly easy to service, adjust, and upgrade

Official max tire clearance is 28mm

Through the headset cable routing

Jun 2023 · Mat Brett

Recently updated road bike has Kammtail aero tubing and internal cabling and comes with Shimano’s 105 groupset

Oct 2022 · Warren Rossiter

A climb-friendly bike with aero styling

Snappy handling

Fast to respond through the pedals

Power meter included in a fine package

Faster tyres would enhance its ride further

Jun 2020 · Benjamin Topf

With Trek's completely revised 2021 Émonda SLR 9 eTap, the American brand's lightest frame goes into the 3rd generation. Have Trek managed to design an aerodynamic climbing specialist that performs just as well on flat terrain? How does it compare to the Madone? Our first ride review includes everything you need to know about the brand new bike!

Light-footedness and speed in every situation

High precision

Race-level stiffness when attacking

Coherent overall concept

Tidy look with excellent attention to detail

Race-level stiffness all the time

Last updated June 3

Trek Emonda SL6 Pro review

Trek's latest GC/climbing bike has undergone an aero transformation, but has it helped?

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The radical changes brought about in this new Emonda frame are somewhat hampered within the SL range owing to the heavier nature of the frame and subsequent ride quality of the 500 Series OCLV carbon. It is a solid all-round performer and there's no getting away from the fact the ride quality provides a good balance of efficiency and ride comfort. It's just if you were looking for an improvement on the ride of the previous model you'll need to hold off and get one of the higher level SLR models to truly see improvements.

Efficient power transfer

Excellent handling prowess

Compliant ride

New SL frame has lost some of the excitement of the existing Émonda

Heavy for a 'climbing' bike

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Trek recently released a brand new re-imagining of the Emonda, the brand's lightweight climbing/GC model platform, featuring a drastically aero-ised chasis. The model family is split into a higher tier SLR and the lower SL range that this SL6 Pro sits in, the critical difference is in the carbon layup and the enhanced integration sported by the SLR range.

The frame on the Emonda SL6 Pro is constructed of Trek's own 500 Series OCLV carbon fibre. This carbon layup might be heavier than the newly showcased ultra light 800 Series OCLV of the top level SLR Émonda's but is considerably more economical to produce, helping keep the SL range prices in a much more affordable tier.

>>> The Trek Madone gets an update, but you won't spot it

The new Emonda features a completely new set of tube shapes, most of which have gone down the aero route. But Trek is at pains to keep the comparisons to the Madone aero race bike to a minimum; this isn’t simple a ‘Madone Lite’. Rather than being the same elongated shapes as found on a proper aero race bike, the aero shaping of the Emonda’s tubes is much more subtle and is based around the principle of unsteady aerodynamics.

>>> Best road bikes reviewed

In this case it’s more about how drag is affected through wind gusts and other factors at slower speeds than the usual 45km/h, after all, not even pros climb at these speeds. There are still the characteristic truncated airfoil shapes that we associate with aero frames but the effect is far less dramatic and produces a frame that still has a traditional look.

Trek Madone SLR9 Disc review

Trek hasn’t jumped on the dropped seatstay bandwagon with the new frame either, preferring to stick to a set of widely spaced yet aero shaped, thin seat stays.

The new frame also enjoys a little more integration, bringing it more in-line with the Madone. All models now see the cable routing brought neatly into the frame at the front of the headtube keeping the front end profile as slippery as possible.

The other notable feature of the new frame is a wholesale move to the T47 bottom bracket standard . This style marries the reliability of a threaded shell with the capability of running larger diameter internal bearings and enables Trek to maintain its characteristic wide and efficient bottom bracket stance.

The new Emonda range has also been designed with Trek’s middle-ground H1.5 geometry ensuring a set of numbers that sits it half way between the ultra-aggressive pro H1 and its laid back and relaxed, endurance specific H2 geometry. A tall stack of split spacers under the stem provides plenty of height adjustment for a wide range of rider requirements.

And finally, keeping the Emonda in a pretty rigid user set Trek has bucked another trend and limited tyre clearance to just 28c putting the focus of the bike purely on road going high performance.

The SL6 Pro sits near the top of the SL range and as such has a a pretty decent spec sheet. A mechanical Shimano Ultegra is the least we would expect at the +£3,000 price point and we don't need to point out how reliable and consistent it is in providing smooth shifting and braking.

As with the entire Emonda range the SL6 Pro runs on Bontrager wheels; Aeolus Elite 35 to be precise. These feature a carbon 35mm depth and complement the new 'aero' frame without compromising too much on weight and climbing ability. They feel stiff under power and spin up to speed relatively quickly. There are lighter and faster wheels that would suit the new frame but at this price point the Aeolus Elite is spot on. The tyres are Bontrager as well, in this instance 25mm R2 Hardcase Lite tyres. These are not Bontrager's fastest tyres, more classed as an everyday tyre with plenty of puncture protection.

In a complete whitewash the entirety of the finishing kit is also provided by Bontrager. Unlike the integrated carbon bar/stem of the higher end SLR models, the SL6 Pro is fitted with a standard aluminium handlebar and separate stem, allowing for much simpler cockpit customisation. Despite the more ordinary setup the cable routing is still really neat underneath the stem without needing any additional housing.

The Émonda maintains the 'reversed' seat post, with a larger diameter seatpost mast fitted over the seat tube. This allows for plenty of adjustment plus further lengths are available if needed. The Bontrager Aeolus saddle also stands out for being incredibly comfortable even when sat right on the nose.

I was curious to see if the new Emonda was able to improve on the ride quality of the highly rated existing version and the short answer is yes, well kind of....

The first thing to note is that in this new guise, the lower SL version I have on test feels a little chunky at over 8 kilograms - not something you expect when the bike's raison d'etre is all about low weight and climbing. However a total mass doesn't always equate to an anchor of a ride experience and this is true of the Émonda.

Trek has managed to provide a level of stiffness around the bottom bracket that enables the Émonda to deliver in its promise of rewarding effort. Granted it takes less effort to maintain speeds on flat and rolling terrain, much like the Madone aero bike, and I'm certain it is a 'faster' bike than the last version. But I can't help but feel that this new design has stifled some of the existing model's lively and exciting ride nature - it feels like using adjectives such as solid and dependable is more appropriate, almost like the Domane endurance bike.

Trek's relaxing of the geometry on the Emonda has increased its ability to keep you comfortable and riding hard on a long ride and I had no issue taking on some challenging and long routes around Dorset and South Wales. The tall stack of shaped and split spacers sit the cockpit a little too high for my personal preference but luckily I was able to drop the stem height by using some standard spacers on top of the stem, without needing to cut the steerer. This put a little more weight on the front wheel which enabled me to descend the Émonda with aplomb and happily stuff it into downhill corners at high speed without any of the vague feeling that can come with a front end that is a touch too high.

Climbing is where the Emonda should thrive and it certainly is no slouch on your typical British climb, however it doesn't set the tarmac alight and the near eight kilo weight does neuter the Émonda's ability to counter attack when your riding mates try to accelerate away from you on a climb.

It feels like I'm being a little harsh and critical of the Emonda SL6 Pro, after all in most respects it is a solid all-rounder and I have enjoyed my time riding the bike over the last few months. It's a great looking bike and I expect most riders will be satisfied with the performance, it's just I feel it has a lost a little of the magic the old version had. If you are looking for the sort of engaging ride the Emonda is known for I suspect you would need to save your pennies and opt for one of the lighter SLR options and certainly if it was my money that would be what I would need to do.

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James Bracey's career has seen him move from geography teacher, to MBR writer, to Cycling Weekly's senior tech writer and video presenter. He possesses an in-depth knowledge of bicycle mechanics, as well as bike fit and coaching qualifications. Bracey enjoys all manner of cycling, from road to gravel and mountain biking.

The British rider leads the mountains classification after the opening stage of the race

By Joseph Lycett Published 2 June 24

The Lidl-Trek rider outsprinted Sam Bennett to win the opening stage and take the first maillot jaune of the race

The German rider only started cycling two years ago yet gave a herculean performance for the win

By Anne-Marije Rook Published 1 June 24

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• Emonda SL 6 eTap

Trek Emonda SL 6 eTap

Emonda SL 6 Disc has all the advantages of an ultralight carbon road bike, with the added benefit of aero tube shaping that will make you faster on flats and up climbs, too. An ultra-smart and smooth SRAM Rival AXS wireless electronic drivetrain, lightweight carbon wheels, and an included power meter make this bike a great choice for fast roadies who want every performance advantage. It's right for you if... You're no stranger to long, fast rides and you're looking for an ultralight, aerodynamic bike with race-ready parts. You also want the incredible speed, precision, and clean looks of SRAM's newest wireless electronic drivetrain. The tech you get A lightweight and aerodynamic 500 Series OCLV Carbon frame and fork, a SRAM Rival eTap AXS 2x12 wireless electronic drivetrain, Rival AXS power meter, and Aeolus Elite 35 tubeless ready carbon wheels. The final word Yes, you can have it all: a super lightweight, aero frame for more speed on any terrain, exceptional handling characteristics, and an advanced wireless electronic drivetrain for lightning-fast shifts (even under load) and less maintenance. All without the sticker shock! Why you'll love it - Aerodynamic tube shaping makes this our fastest Emonda SL platform ever—on flats and climbs alike - The SRAM Rival eTap AXS wireless drivetrain won't leave a hole in your wallet, and you can fully customize your shift logic using the AXS app - The 12-speed cassette lets you be more precise about your cadence - This bike is fully capable of taking on the biggest climbs, steepest descents, and fastest sprints - Comes with a SRAM Rival AXS power meter for more effective training rides from the start

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

* Subject to change without notice.

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• Emonda SL 6 eTap

Trek Emonda SL 6 eTap

Emonda SL 6 Disc has all the advantages of an ultralight carbon road bike, with the added benefit of aero tube shaping that will make you faster on flats and up climbs, too. An ultra-smart and smooth SRAM Rival AXS wireless electronic drivetrain, lightweight carbon wheels, and an included power meter make this bike a great choice for fast roadies who want every performance advantage. It's right for you if... You're no stranger to long, fast rides and you're looking for an ultralight, aerodynamic bike with race-ready parts. You also want the incredible speed, precision, and clean looks of SRAM's newest wireless electronic drivetrain. The tech you get A lightweight and aerodynamic 500 Series OCLV Carbon frame and fork, a SRAM Rival eTap AXS 2x12 wireless electronic drivetrain, Rival AXS power meter, and Aeolus Elite 35 tubeless ready carbon wheels. The final word Yes, you can have it all: a super lightweight, aero frame for more speed on any terrain, exceptional handling characteristics, and an advanced wireless electronic drivetrain for lightning-fast shifts (even under load) and less maintenance. All without the sticker shock! Why you'll love it - Aerodynamic tube shaping makes this our fastest Emonda SL platform ever—on flats and climbs alike - The SRAM Rival eTap AXS wireless drivetrain won't leave a hole in your wallet, and you can fully customize your shift logic using the AXS app - The 12-speed cassette lets you be more precise about your cadence - This bike is fully capable of taking on the biggest climbs, steepest descents, and fastest sprints - Comes with a SRAM Rival AXS power meter for more effective training rides from the start

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

* Subject to change without notice.

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Trek Émonda SL 6 AXS

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Size / 47cm, 50cm, 52cm, 54cm, 56cm, 58cm, 60cm, 62cm

At a glance

Where to buy.

Specifications

• Frame Ultralight 500 Series OCLV Carbon, Ride Tuned performance tube optimization, tapered head tube, internal routing, DuoTrap S compatible, flat mount disc, 142x12mm thru axle
• Fork Émonda SL full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm thru axle
• Wheels Front: Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 35mm rim depth, 100x12mm thru axle Rear: Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, SRAM XD-R driver, 142x12mm thru-axle
• Tires Bontrager R2 Hard-Case Lite, aramid bead, 60 tpi, 700x25c
• Chain SRAM Rival, 12 speed
• Crank Size: 47, SRAM Rival AXS w/ power meter, 48/35, DUB, 165mm length; Size: 50, 52, SRAM Rival AXS w/ power meter, 48/35, DUB, 170mm length; Size: 54, 56, 58, SRAM Rival AXS w/ power meter, 48/35, DUB, 172.5mm length; Size: 60, 62, SRAM Rival AXS w/ power meter, 48/35, DUB, 175mm length
• Bottom Bracket SRAM DUB, T47 threaded, internal bearing
• Front Derailleur SRAM Rival eTap AXS, braze-on
• Rear Derailleur SRAM Rival eTap AXS
• Shifters SRAM Rival eTap AXS, 12 speed
• Brakeset SRAM Rival hydraulic disc, flat mount
• Handlebar Size: 47, 50, Bontrager Elite Bontrager Elite VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 38cm width; Size: 52, Bontrager Elite Bontrager Elite VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 40cm width; Size: 54, 56, 58, Bontrager Elite Bontrager Elite VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 42cm width; Size: 60, 62, Bontrager Elite Bontrager Elite VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 44cm width
• Saddle Bontrager Aeolus Comp, steel rails, 145mm width
• Seatpost Size: 47, 50, 52, 54, Bontrager carbon seatmast cap, 20mm offset, short length; Size: 56, 58, 60, 62, Bontrager carbon seatmast cap, 20mm offset, tall length
• Stem Size: 47, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: 50, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: 52, 54, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: 56, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 100mm length; Size: 58, 60, 62, Bontrager Pro, 31.8mm, Blendr compatible, 7 degree, 110mm length

Q: How much is a 2023 Trek Émonda SL 6 AXS?

A 2023 Trek Émonda SL 6 AXS is typically priced around $5,299 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 Émonda SL 6 AXS?

The 2023 Trek Émonda SL 6 AXS may be purchased directly from Trek .

Q: What size 2023 Trek Émonda SL 6 AXS should I get?

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Trek Émonda SL 6 AXS 2023 - Sram Rival eTap AXS 12sp - Bontrager Aeolus Elite

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This Carbon 2023 Trek Émonda SL 6 AXS Disc is equipped with a Sram Rival eTap AXS 12sp groupset and Bontrager Aeolus Elite wheels. It is a brand-new product, covered by the manufacturer's warranty and it is shipped the way it arrives from the provider. If you wish to have it assembled by Bike-room, please select Service Plus at checkout. Bike-room code: MIN2508

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2021 TREK EMONDA SLR 6 Carbon Road Bike / Rival AXS Reynolds Carbon Wheels/ 58cm

2021 TREK EMONDA SLR 6 Carbon Road Bike / Rival AXS Reynolds Carbon Wheels/ 58cm is backordered and will ship as soon as it is back in stock.

Émonda SLR 6 eTap is an ultralight, aerodynamic carbon road bike that's designed and built to be the fastest climbing bike we’ve ever made. You get the incredible ride quality of our lightest platform, an ultra smart and smooth SRAM Rival AXS wireless electronic drivetrain with power meter, and you'll go faster than ever before on any elevation.

It's right for you if... You’re a serious road rider and racer and you want the lightest, fastest road bike we make, plus the speed, precision, and clean looks of SRAM’s newest wireless electronic drivetrain. Your goal is to beat everyone up every single climb.

The tech you get An ultralight and aerodynamic 800 Series OCLV Carbon frame that weighs under 700 grams, SRAM Rival eTap AXS wireless electronic drivetrain, Rival AXS power meter, lightweight Reynolds AR29 DB Carbon tubeless ready wheels, a carbon bar and stem, and powerful hydraulic disc brakes.

The final word This bike crushes climbs and flies on flats. It’s aerodynamic for more free speed, but doesn’t sacrifice the amazing lightweight ride quality Émonda is known for. It also comes with a wireless electronic drivetrain for lightning fast shifts.

Why you'll love it The SRAM Rival eTap AXS wireless drivetrain won’t leave a hole in your wallet, and you can fully customize your shift logic using the AXS app Trek’s fastest climbing bike is aero, weighs in at less than 700g, and rides like a dream 800 Series OCLV Carbon is the lightest laminate we’ve ever made Aerodynamic tube shaping makes this our fastest Émonda SLR platform ever—on flats and climbs alike The Reynolds AR29 DB wheels are lightweight and designed for climbing  

Frame Ultralight 800 Series OCLV Carbon, Ride Tuned performance tube optimization, tapered head tube, internal routing, DuoTrap S compatible, flat mount disc, 142x12mm thru axle

Fork Emonda SLR full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm thru axle

Frame fit H1.5 Race

Wheel front Reynolds AR29 DB, Full Carbon, Tubeless Ready, 30mm rim depth, 100x12mm thru axle

Wheel rear Reynolds AR29 DB, Full Carbon, Tubeless Ready, 30mm rim depth, SRAM XD-R driver, 142x12mm thru axle

Skewer Bontrager Switch thru axle, removable lever

Tire Michelin Power Road TS Tire - 700 x 25, Clincher, Folding, Black

Max tire size 28c

Shifter SRAM Rival eTap AXS, 12 speed

Front derailleur SRAM Rival eTap AXS

Rear derailleur SRAM Rival eTap AXS, braze-on

Crank SRAM Rival AXS Power Meter, DUB, 175mm length

Bottom bracket Wheels Manufacturing DUB, T47 threaded, internal bearing

Cassette SRAM XG-1250, 10-30, 12 speed

Chain SRAM Rival, 12 speed

Max chainring size 1x: 50T, 2x: 53/39

Saddle Fizik Argo Tempo R3

Seatpost Bontrager carbon seatmast cap, 20mm offset, tall length

Stem Bontrager RSL Carbon 31.8

Handlebar Bontrager XXX VR-C OCLV Carbon 42cm

Brake rotor SRAM Paceline, rounded, centerlock

Rotor size 160mm Front /140mm Rear

Battery SRAM eTap battery pack (with charger)

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Season:2024

Code:35022RED

It's right for you if...

You’re a serious road rider and racer and you want the lightest road bike platform we make, plus the speed, precision and clean looks of SRAM’s newest wireless electronic drivetrain. Your goal is to beat everyone up every single climb.

The tech you get

An ultra-light and aerodynamic 800 Series OCLV Carbon frame that weighs under 700 grams, SRAM Rival AXS wireless electronic drivetrain, Rival AXS power meter, lightweight Bontrager Aeolus Pro 37 OCLV Carbon tubeless-ready wheels, an Aeolus RSL OCLV Carbon integrated aero bar/stem and powerful hydraulic disc brakes.

The final word

This bike crushes climbs and flies on flats. It’s aerodynamic for more free speed, but doesn’t sacrifice the amazing lightweight ride quality that Émonda is known for. It also comes with a wireless electronic drivetrain for lightning fast shifts.

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The New Trek Émonda Is Faster Than Ever

Already one of the fiercest climbing bikes available, the new Émonda is even faster thanks to a dose of aero.

The Takeaway: The Émonda SLR is a benchmark pro race bike—and it’s surprisingly rider friendly.

• It has 183 grams less drag than the previous generation, but the frame is only 33 grams heavier
• There are 10 models starting at $2,699
• SL models ($2,699 to $5,999) have the aerodynamic shaping and features but in a frame that’s about 400 grams heavier than the SLR
• SLR models ($6,699 and up) use a new carbon fiber composite that’s 30 percent stronger than Trek’s previous top-of-the-line carbon.

For Émonda SLR bicycles, Trek will provide an individual handlebar and stem until an updated handlebar/stem combo is available.

Additionally, all customers who bring in their handlebars for replacement will also receive a $100 in-store credit that can be used toward any Trek or Bontrager merchandise through December 31, 2022.

Remember professional road racing ? It’s that thing where super skinny people go unbelievably fast up and down hills and fly over flat roads for hours at a time. It’s been a while since the pros have beat up on each other for our entertainment, but there might, hopefully, be some races on the horizon. When the races do resume, Trek’s pro riders will be aboard its new third-generation Émonda climbing bike. The new Émonda isn’t lighter, but it is faster thanks to a dose of aerodynamic tuning.

.css-1hhr1pq{text-align:center;font-size:1.1875rem;line-height:1.6;font-family:Charter,Charter-roboto,Charter-local,Georgia,Times,Serif;}.css-1hhr1pq em{font-style:italic;font-family:Charter,Charter-styleitalic-roboto,Charter-styleitalic-local,Georgia,Times,Serif;}.css-1hhr1pq strong{font-family:Charter,Charter-weightbold-roboto,Charter-weightbold-local,Georgia,Times,Serif;font-weight:bold;} —Five Cool Details—

Now With Aero

The new Émonda gets a major drag reduction with a tiny weight gain.

Simple Seat Mast

The seat mast has lots of adjustment range, and an easy-to-use saddle clamp.

Light and Slippery

The new Bontrager Aeolus RSL 37 wheels are light, sleek, and stable.

Wide and Threaded

The T47 bottom bracket has a wide stance, and user-friendly threads.

A built-in chain watcher prevents unwanted derailments.

Making the new Émonda frame more aerodynamic wasn’t exactly a tough hurdle as the previous Émonda had virtually zero aerodynamic optimization. But adding meaningful aerodynamic benefit while achieving the frame stiffness expected of a pro-caliber race bike, maintaining the well-regarded handling properties of the previous Émonda, and adding rider-friendly features like a threaded bottom bracket—all with adding only 33 grams (SLR frame, claimed)—is quite a feat.

Below you’ll find my review of the Émonda SLR—I’ve been on it since early March—followed by a dive into the technology and features of the new bike, and a brief model breakdown.

Ride Impressions: Émonda SLR 9 eTap

The Émonda SLR is a tool made to fulfill the needs of some of the world’s best road racers. This bike will never be as comfortable or versatile as a gravel bike. Going fast on pavement and climbing performance are its only goals. These are obvious facts, but that’s the lens through which it must be viewed. And through this lens, it is one of the very best.

The new Émonda was born out of a request from Trek’s pro racers and pitched as the company’s “fastest climbing bike ever.” So little surprise they set me up with the lightest model (the SLR 9 with SRAM Red eTap ), which also has a build kit almost identical to the team’s bikes. It’s also, excepting customized Project One builds, the most expensive model at a buck under 12 grand.

That massive pile of clams gets you an aerodynamic frame with disc brakes, power meter, and wireless electronic shifting that weighs less than 15 pounds (54cm). And that’s with a hefty T47 threaded bottom bracket unit, lustrous paint , clincher wheelset, a chain-watcher, standard butyl tubes, 37mm deep rims, 160mm disc rotors front and rear, and SRAM’s largest Red cassette (10-33). That’s “Holy shit!” impressive.

By cutting drag a ton without adding much weight, it’s hard to argue with Trek’s claim that the new Émonda is faster than the outgoing generation. But if you have any doubts, they’ll be erased when you ride it. This is an explosive bike: it feels as light as a feather and as solid as a steel girder at the same time.

Trek’s Émonda has always been a raw and rowdy bike that feels a little wild and a bit dangerous in precisely the ways you want a race bike to feel: That’s not lost with the added aerodynamics. If anything, the new Émonda is even crisper and punchier than before, which is saying something.

A small downside to all this fury is the Émonda’s smoothness. Light and stiff race bikes aren’t a smooth-riding lot to begin with, but even measured against a stiffer riding genre, the new Émonda is on the firmer end of the scale. Still, it escapes harsh or punishing labels—I did a six-hour ride on the Émonda on the stock 25 tires and didn’t feel worn down by its ride. Swapping to 28s helped a lot (no surprise) and were on the Émonda for the bulk of my testing. I’d suggest reserving the lighter and more aerodynamic stock 25s for racing or PR attempts—assuming good roads—and use 28s as daily drivers.

The Émonda’s handling is excellent. Well, let me caveat that: Road racing geometry is pretty uniform, so whether I’m on a current race bike from Trek, Specialized, Cannondale, Cervélo, Canyon, Colnago, Wilier, Pinarello, BMC, Giant (etc., etc.), I find the broad strokes of their handling feel and performance quite similar. There wasn’t anything about the Émonda’s handling or cornering performance that set any new benchmarks for me, but there wasn’t anything to dislike either.

It was quick and accurate, diving into corners with a light touch. It offered great feedback, so I always knew where I was relative to its and my limits, and I could count on it to be consistent and predictable. It was maybe a touch less settled in bumpy corners than the Specialized Tarmac, but the Émonda never broke traction or skipped. Overall, for such a light bike, the Émonda is remarkably solid and drama free. I’d have no qualms barreling down a technical alpine descent on the Émonda.

I received this test bike in early March, giving me plenty of time to ride it back to back with its primary competition—a Specialized S-Works Tarmac , what I consider the benchmark for aero-ized lightweight bikes. The Tarmac is smoother over the bumps and has a silkier feel overall, but the new Émonda feels more efficient, like it can go faster more easily.

I’ve also ridden a good slice of the Émonda’s competition, including the Canyon Ultimate CF SLX , Colnago V3Rs, Cannondale SuperSix Evo , Cervélo R5, Wilier Zero SLR , Pinarello Dogma F12 . These are all superb bikes, but I feel the Émonda is the class leader. It feels sharper and more explosive than all of them. It feels faster, and that’s what matters most in a race bike. But I also like that the Émonda is pretty straightforward and rider-friendly.

For example, I swapped the stock one-piece bar/stem for a standard stem and round bar. One, I could run a standard bar and stem on this bike, which you can’t say about every modern race bike. And two, I didn’t have to pull any cables, wires, or hoses to make the swap: Again, something you can’t say about all race bikes. For the record, the shape of the one-piece Aeolus bar/stem is great, and the tops are the most comfortable to grab of all the aero-topped bars I've used. The only reason I swapped is my preferred length and width combination (110x40) wasn't available yet.

The BB is threaded, which makes it easier to service and replace than a press-fit (however, I was getting some noise out of the BB area, which I never resolved). The wheels employ standard offset, and it uses regular thru-axles. It’s compatible with pod-style power meters and mechanical shifting. Its signature seat mast is pretty much the only non-standard thing about this frame, and even then, it’s pretty user-friendly. There’s no cutting necessary, height adjustment is ample, the saddle clamp is easy to use, and it’s travel-case friendly.

I expect so much from a modern high-end pro-level road racing bike that it’s hard to exceed those expectations. It’s rare when a bike does: The Émonda SLR is one of those rare bikes.

Team Request

The new Émonda is partially a result of a request from the Trek-Segafredo race team. “They are one of our primary customers,” said Jordan Roessingh, Trek’s director of road product. “And they started to realize that it’s not just weight, it’s not just stiffness and responsiveness, there’s this other thing—aerodynamics and speed—that’s also really important to be competitive and be faster on the bike. They had been one of the loudest voices saying, ‘We need the lightest-weight, stiffest bike possible.’ And now they started coming back saying ‘We need those things, but we also need the bike to be faster in order for us to be really competitive.’ ”

It is (comparatively) easy to make a light frame, it is easy to make a stiff frame, it is easy to make an aerodynamic frame. Making a frame that’s two of those three things is more challenging: Making a bike more aerodynamic usually makes it heavier, making a bike lighter typically makes it less stiff, etc. Making a frame that is light AND stiff AND aerodynamic enough to satisfy the demands of a top-level professional race team is extremely difficult.

But not impossible. Many brands already make a light, stiff, and aero bike. The Specialized Tarmac is one, as are the Canyon Ultimate, the Cannondale SuperSix Evo, the Cervélo R5, the Wilier Zero SLR, the Pinarello F12, the Scott Addict, and the new Giant TCR . All of them seek to balance the three qualities—light, stiff, and aero—in the pursuit of the ideal race bike, and they all manage the balance differently. The common thread between these bikes: They’re all used by teams that compete against Trek-Segafredo.

Still Light, Now With Aero

The previous generation Émonda SLR Disc , launched in 2017, was an extremely light frame at 665 grams (claimed). But when a frame is already that light, it is much harder to make it even lighter. At least lighter enough to make a meaningful difference.

So, Trek took a different approach to making its climbing bike faster—instead of lighter, it made it more aerodynamic. The new Émonda frame is a touch heavier—yet still extremely light at 698 grams—but the bike has 183 grams less drag than the previous generation.

The important thing to note here is that, though the frame is more aerodynamic, the 183 gram drag reduction is not from the frame only. New wheels and a new aero bar (more info on both below) play a role. The specific setups Trek used to get that 183 gram number are: 2018 Émonda with 28mm-deep Bontrager XXX 2 wheels, and Bontrager XXX Bar/Stem Combo compared to the 2021 Émonda with 37mm deep Bontrager Aeolus RSL 37 Wheels and Bontrager Aeolus RSL Bar/Stem Combo.

Another drag saving upgrade: the housing, hoses and wires for the controls are almost fully inside the frame. They dive into the frame at the head tube passing through the upper headset bearing. The front brake hose runs into the fork steerer and down the left leg before popping out just above the brake caliper. The fork steerer’s flattened sides provide room for the rear brake hose and derailleur control lines to travel down and into the frame. Though it has flattened sides, the fork steerer is still compatible with standard 1 1/8” stems.

The overall drag reduction results in a bike that is 18 seconds per hour faster when climbing an 8.1 percent grade (the average grade of Alpe d’Huez ), and 60 seconds per hour faster on flat roads than the previous Émonda. Trek also claims the new Émonda is 13 seconds per hour faster than a Specialized Tarmac when climbing an 8.1 percent grade (all assuming the rider maintains a constant 350 watts).

Eight Point One Percent

With three qualities—aero, stiffness, weight—that work in opposition to each other, how do you decide how much to optimize one quality when you know it will negatively affect the other two? How aero is aero enough? At what point is improved aerodynamics offset by the weight added to get there?

The team behind the Émonda used a legendary climb to help them decide: Alpe d’Huez. “It represents an extreme example of what most people see on a regular basis when they’re doing a big climbing ride,” said Roessingh, “It’s around an 8 percent grade, and it’s about an hour-long climb for the pros—amateurs might go a little slower. It gives us a good understanding of what the benefit of a drag savings is relative to a weight savings.”

By optimizing the weight and aerodynamic balance around this climb, Roessingh claims the Émonda is faster on Alpe d’Huez and also faster on everything shallower than the famous climb, “which is the vast majority of the environments that most riders are going to ride in, including the team,” said Roessingh. “So if we can say it’s faster up Alpe d’Huez, it’s going to be significantly faster everywhere because the flatter it is, the more aerodynamics benefit you.”

Computer-Aided Optimization

Achieving the weight to the aerodynamic balance of the new Émonda required careful design of each tube shape. Aiding the Émonda’s team was supercomputing horsepower. The abridged and simplified version of the process goes like this: into the computer was fed a rough draft of the shape based on Trek’s aerodynamic experience and other information like UCI regulations. The program then varies the tube’s parameters within a predefined range and spit back several iterations of the shape, each with a different weight to aerodynamic balance. The Émonda’s team evaluated the alternatives and picked the one most suited to its location in the frame and best able to help the frame achieve its overarching goal.

Roessingh says that Trek cannot afford to buy the computing hardware necessary to run the CFD and FEA optimizations (in a timely manner) that helped shape the new Émonda’s tubes. The processing happens in the cloud where Trek rents time on Google, Microsoft, or Amazon’s supercomputers. It’s more affordable than buying a supercomputer. Even so, it is not cheap, “Cloud computing is becoming a relatively significant budget line item for us because we’re doing so many of these optimizations in CFD and FEA and all that processing happens in the cloud.”

The new Émonda’s fork legs, head tube, down tube, seat tube, and seat stays all use a variation of a truncated airfoil. The top tube and chainstays, which have virtually no effect on drag, are optimized almost entirely for stiffness to weight.

In Trek’s line, the new Émonda’s aerodynamic performance is equal to the third generation Domane ; the Madone is still significantly more aero. But while the more aerodynamic Madone is faster in flatter terrain, once the climb hits about 5.5 percent, the lighter Émonda becomes the faster bike. And for many of the Trek-Segafredo team riders—and many amateurs—that means the Émonda is fastest when it matters most: the hardest part of a race or ride, which is almost always on a steep climb.

OCLV 800 Carbon

Getting the new Émonda SLR to be as light as it is while adding aerodynamic shaping would not be possible without employing a new carbon-fiber composite, said Roessingh. The new OCLV 800 composite is 30 percent stronger than Trek’s previous top-of-the-line composite (OCLV 700). Because it is stronger, they can use less: By using OCLV 800, Trek’s team was able to make the Émonda SLR frame 60 grams lighter than if they used OCLV 700.

The Émonda SLR is very cool, but it’s also very expensive (bike prices start at $6,699). For the 99 percenters, there’s the Émonda SL (models start at $2,699).

The SL uses OCLV 500 composite, and the frame is quite a bit heavier than the SLR’s. The SL’s frame comes in at 1,142 grams, with a 380-gram fork (SLR fork weight: 365 grams).

But material (and weight) are the only difference between the SL and SLR.

Aeolus Bar Stem

While a ton of work made the Émonda’s frame tubes faster, a big chunk of the new bike’s drag savings comes from the one-piece Aeolus bar stem. It alone is responsible for 70 grams of the Émonda’s 183-gram drag reduction. This means that if a traditional stem and round bar are installed on the new Émonda, its drag advantage over the previous-generation bike drops to 113 grams. And it means that you can make any bike with a round bar and traditional stem significantly more aerodynamic by merely installing the Aeolus. Retail price is $650.

The integrated Aeolus is made of carbon-fiber composite, of course, with a claimed weight of 297 grams (42x120). It’s offered in 14 length and width combinations, from 44x120 to 38x80. Hoses, housing, and wires run externally for easier service and repairs, but in a groove that keeps them out of the wind. A bolt-on plate keeps the control lines tucked and organized where they turn off the bar tops to run in line with the stem.

The Aeolus employs a mount that works with Bontrager’s line of Blendr accessories for mounting computers and lights.

Aeolus 37 Wheels

Another new Bontrager product rolling out with the Émonda is the Aeolus 37 wheelset. It comes in two models: the Aeolus RSL 37 (1,325 grams/pair, $2,400) and the Aeolus Pro 37 (1,505 grams/pair, $1,300).

The RSL 37 is claimed to be lighter than Zipp’s 32mm-deep 202, yet more aerodynamic and more stable than Zipp’s 45mm-deep 303. Both wheels are disc brake only (only Center Lock interface), tubeless compatible, use DT-Swiss internals, have no rider weight limit, and come with a lifetime warranty.

Surprisingly Rider Friendly

Though the new Émonda is clean and integrated looking and uses high-performance standards, it is also remarkably rider-friendly. Cables, hoses, and housing run externally on the one-piece Aeolus bar/stem for easier repair and service (with one exception: wiring for a Shimano Di2 or Campagnolo EPS bar-end junction box runs partially inside the bar). If you prefer a more traditional cockpit, it can be run with a standard bar and stem with 1⅛-inch steerer clamp.

The bottom bracket uses the threaded T47 standard , which is compatible with almost all common crank-axle standards.

Front and rear thru-axles are standard 12x100 and 12x142mm, and the wheels employ a standard dish. The standard flat mounts for the brake calipers are compatible with 140, 160, or 180mm rotors.

Tire clearance is officially 28mm, but that’s with a ton of extra space. I fit 32mm tires in the Émonda with ease.

And though all models do use a seat mast, it’s a no-cut variety with lots of adjustment range.

H1.5 Geometry

Trek did offer its top-of-the-line race bikes in the aggressive H1 geometry for riders seeking an ultra-long and low geometry, or H2 which was an endurance fit. The new Émonda is offered only in H1.5, which splits the difference between H1 and H2. The result is pretty typical dimensions for a modern race bike—a 54cm Émonda H1’s geometry is remarkably similar to a 54cm Specialized Tarmac.

There are eight sizes starting at 47cm and topping out at 62cm.

There are 10 models of the new Émonda. SL models start at $2,699 and are priced up to $5,999. SLR models start at $6,699 and go up to $11,999.

Only SLR models come with the Aeolus integrated bar/stem stock; and only the Émonda SL 7 ($5,499) and up come with the Aeolus 37 wheelset.

The new Émonda is a disc brake-only platform.

Project One

The new Émonda is in Trek’s Project One paint and parts personalization program. If that’s not luxe enough for you, Trek’s Project One Ultimate program allows you to work with a designer to come up with a one-of-a-kind finish, and Trek will source any parts you want for your new bike.

Trek Émonda SLR 9 eTap

A gear editor for his entire career, Matt’s journey to becoming a leading cycling tech journalist started in 1995, and he’s been at it ever since; likely riding more cycling equipment than anyone on the planet along the way. Previous to his time with Bicycling , Matt worked in bike shops as a service manager, mechanic, and sales person. Based in Durango, Colorado, he enjoys riding and testing any and all kinds of bikes, so you’re just as likely to see him on a road bike dressed in Lycra at a Tuesday night worlds ride as you are to find him dressed in a full face helmet and pads riding a bike park on an enduro bike. He doesn’t race often, but he’s game for anything; having entered road races, criteriums, trials competitions, dual slalom, downhill races, enduros, stage races, short track, time trials, and gran fondos. Next up on his to-do list: a multi day bikepacking trip, and an e-bike race. 

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Tested: Trek Émonda SLR 7 With SRAM Force AXS

Sydney riders may have seen the blue flash of Pete Maniaty zipping around on this blingy Trek recently! Let’s hear what he thinks of the ‘pimped’ Emonda SLR7.

This isn’t really a review. It’s a tease. For as drool-worthy as this sublime Trek Émonda SLR 7 AXS is, you can’t actually buy it. Not exactly like this anyway. You see, it’s a custom build, hand-spec’d by SRAM to launch its 2023 Force AXS 12-speed wireless groupset—reviewed separately in the previous edition of Bicycling Australia—and understandably SRAM was pretty keen to showcase its own stable of brands, rather than promote Trek’s.

From the carbon bars and stem to the wheelset, the normally-standard Bontrager components have been swapped out for ZIPP equivalents. 

Whilst perhaps no longer a purebred Trek Émonda, this ‘Frankenstein’ build certainly works. In fact, I actually found it quite a fascinating experience to ride because chopping and changing componentsover time is precisely how many of us actually set-up our bikes—with function, availability anddollars often holding far greater sway than any form of myopic brand loyalty.

While I can’t categorically say it makes the Émonda better, I can say that armed with its new high-end SRAM and ZIPP componentry this bike remains an absolute lightweight carbon weapon of the highest calibre.

The first thing you’ll notice about this particular Émonda build is almost certainly the same thing everyone does—the eye candy paint scheme. The lustrous Sapphire Chroma Project One finish is hard to miss and garners plenty of attention. Yes, this bike screams ‘look at moi’ at loud volume. But a small word of caution. Whilst brilliant to look at, it’s not the easiest to keep clean.

Beneath the ostentatious paintwork lurks a sleek and brooding race machine that Trek has been steadily refining since 2014 when the Émonda platform first appeared. 

“…a few kms into my first ride it was clear this is a hugely nimble bike that goes exactly where you point it…”

Given its origins as a lightweight col muncher, it’s interesting to note the latest generation Émonda now boasts more than its fair share of aero features including truncated airfoil tube profiles, shortened head tube, blade-shaped forks, internally-routed brake hoses and deeper section wheels. 

However, unlike its legendary aero stablemate, the Madone, there’s no hefty downtube and, perhaps most significantly in terms of the way it rides, no IsoSpeed decoupling system (or IsoFlow in the case of the most recent Madone).

The absence of IsoSpeed means the geometry and workings of the Émonda’s rear end are a little different to Trek’s other road platforms. As with both the Madone and Domane, the seat tube rises considerably higher than the top tube junction. However unlike the Madone and Domane, that junction is fixed solid.

Also, rather than having the seat post slide down into the seat tube, the Émonda instead features an adjustable seatmast system with a cap that slides over the seat tube and clamps into position. Trek’s website explains this allows more flex compared with a fully rigid seat mast for added comfort “however rough the roads”, but I still found the Émonda’s rear end very firmas we’ll get to shortly.

Whilst considerably slimmer to the eye, the 2023 Émonda features the same H1.5 geometry as the aero Madone with an identical stack that, on the 54cm frame reviewed, puts you a full 3.4cm closer to the road than the H2 geometry of the endurance-oriented Domane. The Émonda head tube is also 3cm shorter than the Domane as is the wheelbase, which all equates to a compact and relatively aggressive riding position. Like me, your lower back may well notice the difference, especially on longer days and harder rides with extended periods spent down in the drops.

Weight—or, more specifically, a lack of it—is what the Émonda has always been about and this shiny blue beast is no different. Whilst, yes, you can still find leaner ensembles out there (for a price), the Émonda SLR package remains a bona fide lightweight show-stopper with a claimed raw frame weight of just 698g. The shape and layup of virtually every millimetre of every tube has been optimised to deliver maximum performance with minimum girth. 

Coupled with Trek’s top-of-the-line OCLV 800 composite carbon first introduced in 2021, the result is a frame that’s roughly 1kg lighter than the Madone SLR. Even with its many non-standard components, the review build tipped my home scales at a very acceptable 7.55kg, ready to ride and/or race including bottle cages and pedals. 

Trek’s tech boffins in Wisconsin say their 800 Series OCLV is 30% stronger than the previous top-of-the-line composite (OCLV 700) and because it’s stronger they can use less of it, shaving around 60 grams in the process—around 8% of the entire frame weight. It’s worth noting the Émonda is also available in more affordable SL models. Featuring identical shaping and geometry, but with lower spec OCLV 500 carbon, SL builds are roughly 400 grams heavier than the SLR.

TECH & COMPONENTS

Beyond its mesmerising blue chrome Project One paintwork, the review Trek Émonda SLR 7 AXS was furnished with a host of goodies mostly from the SRAM stable. Highlights include the ZIPP 303 Firecrest 40mm tubeless wheelset, ZIPP Service Course SL 400mm carbon bars, ZIPP SL Speed 100mm carbon stem and, in one of the few non-SRAM or Trek components, an S-Works Power Arc saddle. 

This was also my first time testing the latest 2023 SRAM Force AXS 12-speed wireless groupset and I found it to be simply excellent, with a noticeably more refined form factor and performance that’s right up there with its main rivals from Japan and Italy. It’s also around 100gm lighter than its predecessor and comes with the considerable added bonus of a Quark power meterseamlessly integrated into the SRAM Force AXS DUB crankset. 

During the review the groupset performed intuitively and faultlessly which is exactly what you want: smooth and reliable shifting. The pairing of a 48/35 chainring and 10-33T cassette delivered an excellent range of gearing, suitable for pretty much any terrain.

One of the biggest deviations from the usual Émonda line-up is the addition of a ZIPP 303 Firecresttubeless wheelset with German-developed ZR1 DB hubs. Weighing in at 1355g, the 2023 version of these hugely versatile 40mm deep rims boast an expanded internal width of 25mm (external width remains steady at 30mm) and, being hookless, it’s tubeless all the way.

Officially, Émonda tyre clearance is 28mm, yet take that with a large pinch of salt as the review build came with 30mm Goodyear F1 tubeless rubber which fit very comfortably. It’s also worth mentioning that, in line with the latest ETRTO recommendations, the latest ZIPP 303 Firecrest rims are only suitable for selected brands of 28mm+ tubeless tyres. Continental tyres, for example, are not currently compatible.

ON THE ROAD

After a highly enlightening month of riding, I can report the Émonda SLR 7 ASX is very light, very stiff and, yes, very fast. For me, there was pretty much only one thing it wasn’t: very comfortable. The compact front end and rigid back end makes for a reasonably aggressive race-tuned ride that’s undeniably explosive under high power loads—yet also quite unforgiving at times with above-average levels of road feedback. 

Even fitted with carbon hoops and supple tubeless tyres, you certainly feel the bumps and on longer and/or sustained high-tempo rides this has the potential to be quite fatiguing, especially if, like me, your core strength isn’t what it used to be. The deeper I got into this review the clearer it became clear that tyre pressure is absolutely critical if you want to enjoy the Émonda SLR.

After starting w-a-y too high at around 85psi (and genuinely hating it) I progressively worked my way down to a touch under 60 psi, at which point it was like riding a completely different bike—still slick and responsive, but with just enough compliance to return a smile to my middle-aged face.

Tyre pressure experiments aside, the lightweight Émonda SLR climbed beautifully as you would fully expect, tackling rising gradients with absolute poise and aplomb. Perhaps less expected was the way it equally taps along very nicely on the flat, without ever quite matching the Madone or other fully-aero builds. 

The shortened reach and relatively steep head tube angle (73 degrees) also combine with minimal frame flex to deliver very direct and fast handling. Just a few kms into my first ride it was clear this is a hugely nimble bike that goes exactly where you point it.

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2024 Specialized Tarmac SL7 vs Trek Emonda

In this article, our bicycle authority Alex Lee compares the Specialized Tarmac SL7 and Trek Emonda, comparing the variant, features, technologies and pricing.

This article compares the differences between the Specialized Tarmac SL7 and Trek Emonda .

The comparison covers the model lineups, specifications, and retail pricing. It compares the carbon fiber technology ( Specialized FACT vs Trek OCLV ) and frameset technologies on each bike.

The objective is to provide you with a clearer understanding of Specialized Tarmac SL7 vs Trek Emonda before making the purchasing decision.

Specialized Tarmac SL7

The Specialized Tarmac SL7 is the complete race bike. It’s without a doubt the most popular model among all Specialized bikes.

Now in its seventh iteration (SL7), the Specialized Tarmac combines an aerodynamic, lightweight, and disc-only road bike for all terrains. Light enough to climb the steepest mountain passes in Tour de France , fast and aero for the sprints on Champs Elysees.

The S-Works frame uses the lighter and stiffer FACT 12r carbon, while all other Specialized frame uses the FACT 10r carbon. The difference lies in the choice of groupset, wheels, and components.

There are six models in the Specialized Tarmac SL7 lineup based on its groupset setup. All models are electronic shifting only. It’s also available in frameset only for Specialized and S-Works editions.

Specialized Tarmac SL7 vs others

2024 Canyon Ultimate vs Specialized Tarmac SL7

2024 Orbea Orca vs Specialized Tarmac SL7

2024 Pinarello Dogma F vs Specialized Tarmac SL7

2024 Pinarello F vs Specialized Tarmac SL7

2024 Scott Addict RC vs Specialized Tarmac SL7

2024 Specialized Tarmac SL7 vs BMC Teammachine SLR

2024 Specialized Tarmac SL7 vs Cannondale SuperSix Evo

2024 Specialized Tarmac SL7 vs Cervelo R5

2024 Specialized Tarmac SL7 vs Giant TCR Advanced

Trek Emonda

The Trek Emonda is a lightweight bike for the high mountains.

The lightest Trek Emonda frame weighs less than 700g using Trek’s OCLV 800 carbon. This is the bike Richie Porte rode to his third place in the 2020 Tour de France.

The SLR is the lightest and most expensive atop the Trek Emonda models. There are six Emonda SLR options, specced electronic shifting groupsets from SRAM or Shimano.

Next in line is the SL, the mid-range, more budget-friendly option. It has the same frame design and geometry as the SLR but uses the OCLV 500 carbon instead. The groupset choices are Shimano Ultegra Di2 , Shimano 105 Di2 , SRAM Force AXS , or SRAM Rival AXS .

The Trek Emonda SLR and SL framesets are also available separately.

Trek Emonda vs others

2024 Canyon Ultimate vs Trek Emonda

2024 Orbea Orca vs Trek Emonda

2024 Pinarello Dogma F vs Trek Emonda

2024 Pinarello F vs Trek Emonda

2024 Scott Addict RC vs Trek Emonda

2024 Specialized Aethos vs Trek Emonda

2024 Specialized Tarmac SL8 vs Trek Emonda

2024 Trek Emonda vs BMC Teammachine SLR

2024 Trek Emonda vs Cannondale SuperSix Evo

Specialized vs Trek carbon fiber

Specialized fact carbon.

Specialized FACT (Functional Advanced Composite Technology) is an advanced carbon fiber technology used in high-performance Specialized bicycles. It offers a lightweight yet strong frame construction with precise carbon layup, resulting in optimal strength-to-weight ratio and improved ride quality. 

FACT carbon frames are engineered to efficiently transfer power, absorb road vibrations, and provide a comfortable riding experience. With continuous innovation and refinement, FACT Carbon demonstrates Specialized’s commitment to delivering top-notch performance and enhancing the overall cycling experience.

The carbon is available in three grades. The choice between FACT 12r , 11r , or 10r carbon depends on the bike model, your preferences, riding style, and budget.

• Specialized FACT 12r Carbon is the highest-grade carbon used by Specialized. Bikes (S-Works models) with frames made from FACT 12r carbon are the lightest and stiffest in the Specialized line-up . These frames are manufactured using the most advanced techniques and materials.
• Specialized FACT 11r Carbon used to be the highest-grade carbon until the S-Works Tarmac (SL5). Today, it’s the highest-grade carbon for the S-Works Roubaix.
• Specialized FACT 10r Carbon is two steps below 12r in the Specialized carbon hierarchy. While it doesn’t provide quite the same level of weight savings and stiffness as 12r, 10r frames are still very light and stiff, providing a high level of performance. FACT 10r carbon is used in all non S-Works models and is ideal for riders who want a balance of performance and value.

Trek OCLV carbon

The OCLV (Optimum Compaction, Low Void) carbon is a proprietary carbon fiber manufacturing technology developed by Trek.

• Optimum Compaction refers to the heat and pressure applied during the curing process to squeeze out excess resin and ensure that the carbon layers are compacted to the optimal density.
• Low Void refers to the goal of reducing microscopic air pockets or voids that can occur in the carbon fiber and create weaknesses.

One of the key advantages of OCLV carbon is its ability to achieve an optimal balance between stiffness, strength, and weight. Trek engineers carefully tune the carbon layup and utilize varying modulus carbon fibers to create stiff frames in certain areas to maximize power transfer while maintaining compliance in other areas to enhance comfort and ride quality.

The OCLV carbon is available in 800 and 500 series.

• OCLV 800 is the highest-grade carbon fiber used by Trek. The carbon modulus is higher in OCLV 800, making it stiffer and lighter. The manufacturing process is more refined, using more advanced carbon and resins, leading to a bike frame that provides top performance levels for stiffness, weight, and strength. OCLV 800 is used in all models with SLR .
• OCLV 500 is a lower-grade carbon but still offers a high level of performance. It has a slightly lower carbon modulus, meaning it’s a bit less stiff and heavier than OCLV 800. OCLV 800 is used in all models with SL .

It’s worth noting that the different OCLV grades don’t only refer to the material itself, but also to the manufacturing techniques used to form the carbon fiber into bike frames. Higher-grade carbon requires more precise manufacturing techniques to take full advantage of its superior material properties.

Frameset technologies and innovations

Specialized Tarmac SL7 and Trek Emonda framesets incorporate advanced technologies to enhance their bikes’ performance and ride characteristics.

Here’s an overview of the technologies used in each bike model.

Where to buy

Specialized shops.

• Specialized online shops . Argentina, Australia, Austria, Belgium, Brazil, Canada, Chile, China, Colombia, Czech Republic, Denmark, Finland, France, Germany, Italy, Japan, Luxembourg, Mexico, Netherlands, New Zealand, Poland, Portugal, Singapore, Slovakia, South Korea, Spain, Sweden, Switzerland, Taiwan, United Kingdom, United States
• Specialized retailers . Use this tool to find your nearest Specialized retailers.
• Trek online shops . Australia, Austria, Canada, Germany, Netherlands, United Kingdom, United States
• Trek retailers . Use this tool to find your nearest Trek retailers.

Alex Lee is the founder and editor-at-large of Mr. Mamil. Coming from a professional engineering background, he breaks down technical cycling nuances into an easy-to-understand and digestible format here.

He has been riding road bikes actively for the past 12 years and started racing competitively in the senior category during the summer recently.

Mr. Mamil's content is for educational and entertainment purposes only. The content is not a substitute for official or professional advice. Please do your own due diligence.

Mr. Mamil participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. We also participate in various other affiliate programs, and at times we earn a commission through purchases made through links on this website.

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