trek madone sl6 red

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Trek Madone SL 6

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

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

Weight / 56 - 8.74 kg / 19.27 lbs

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"A Belgian outsider steals the show in Italy"

"Jasper Stuyven wins Milano-Sanremo and claims the biggest victory of his career."

Specifications

• Frame 500 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, adjustable top tube IsoSpeed, invisible cable routing, 3S aero chain keeper, T47 BB, flat mount disc, Duo Trap S compatible, 142x12mm thru axle
• Chain Shimano Ultegra HG701, 11-speed
• Crank Size: 47 Shimano Ultegra R8000, 50/34 (compact), 165mm length Size: 50, 52 Shimano Ultegra R8000, 50/34 (compact), 170mm length
• Front Derailleur Shimano Ultegra R8000, braze-on
• Rear Derailleur Shimano Ultegra R8000, short cage, 30T max cog
• Shifters Shimano Ultegra R8020, 11-speed
• Brakeset Shimano MT800, centerlock, 160mm
• Handlebar Size: 47 Size: 50, 52
• Seatpost Size: 47, 50, 52, 54, 56 Size: 58, 60, 62
• Stem Size: 47 Size: 50

Q: Where to buy a 2022 Trek Madone SL 6?

The 2022 Trek Madone SL 6 may be purchased directly from Trek .

Q: How much does a 2022 Trek Madone SL 6 weigh?

A 2022 Trek Madone SL 6 weights 56 - 8.74 kg / 19.27 lbs.

Q: What size 2022 Trek Madone SL 6 should I get?

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Trek Madone SL 6 Disc Carbon Road Bike 2021 in Viper Red

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Season:2022

Code:287142020REDBLK

The Madone SL 6 Disc carries forward the advanced aerodynamic performance and all-around ride quality as other Madone road bike models, but it keeps the price in check with a standard stem and aero bar set up for adjustability. It's the ultimate racing bike at great value, with extraordinary race performance, aero wheels, a road-smoothing IsoSpeed decoupler, powerful hydraulic disc brakes and the sleek look that screams for speed.

Key Features & Benefits

• 500 Series OCLV Carbon fibre frame, which achieves a superb balance of lightweight, strength and stiffness
• H 1.5 Geometry, developed in conjunction with the Trek Segafredo and Drops pro cycling teams, puts the rider in the optimal aero race position and is featured on the Madone SLR family. It is the sweet spot for what racers want
• Shimano Ultegra Groupset, mechanical version race proven over a vast number of year

Full Specification

• Frame:  500 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, adjustable top tube IsoSpeed, invisible cable routing, control center, micro-adjust seatmast, precision water bottle placement, 3S aero chain keeper, flat mount disc, Duo Trap S compatible, 14
• Fork:  Madone KVF full carbon, tapered carbon steerer, invisible cable routing, flat mount disc,
• Number of Gears:  22
• Gear Shifters:  Shimano Ultegra R8020, 11 speed
• Chainset:  Shimano Ultegra R8000
• Chainrings:  50/34T
• Rear Cassette:  Shimano Ultegra R8000, 11-28, 11 speed
• Chain:  Shimano Ultegra HG701, 11-speed
• Front Derailleur:  Shimano Ultegra R8000, braze-on
• Rear Derailleur:  Shimano Ultegra R8000, short cage, 30T max cog
• Bottom Bracket:  Trek BB90
• Pedals:  Not Included
• Rims:  Bontrager Aeolus Comp 5 Disc, 50mm deep 18mm wide, Tubeless Ready
• Front Hub:  Bontrager Aeolus Comp 5 Disc, 100x12 mm thru axle
• Rear Hub:  Bontrager Aeolus Comp 5 Disc, Shimano 11-speed freehub,142x12 mm thru axle
• Front Tyre:  Bontrager R3 Hard-Case Lite, aramid bead, 120 tpi, 700x25c
• Rear Tyre:  Bontrager R3 Hard-Case Lite, aramid bead, 120 tpi, 700x25c
• Brakes:  Shimano Ultegra R8070 hydraulic disc
• Handlebars:  Bontrager Elite Aero VR-CF, alloy, 31.8mm, invisible cable r
• Handlebar Tape:  Bontrager Supertack Perf tape
• Headset:  Madone integrated, stainless cartridge bearings, sealed, 1-3
• Stem:  Bontrager Pro, 31.8mm, Blendr compatible, 7 degree
• Saddle:  Bontrager Aeolus Comp, steel rails
• Seatpost:  Madone aero carbon seatmast cap, integrated light mount, 25m
• Accessories:  N/A
• Weight:  Not Available

Road Bike Sizing Guide

Road bikes as the name implies are for road use. There are a growing number of “gravel” or “adventure” bikes which are based on road bicycles, but feature wider and more versatile tyres and disc brakes, so you can also do light trail riding such as towpaths. They are also more pothole resistant!

Sizing is normally in cm, and is a measurement from the centre of the chain-wheel axle (The BB or bottom bracket) and the top of the frame seat tube. Some are measured to the centre of the seat tube where it meets the top tube (otherwise known as the crossbar).

That measurement is on road bikes normally in CM – and no-one really knows why! Some road bikes will use “T-Shirt Sizing” so S, M, L, XL etc. but there will be a geometry chart that then shows the measurement in CM.   

If you need any more advice on bike sizing for road bikes please contact us and we can help you make the right choice.

Geometry for Trek Madone SL6 Carbon Road Bike

All measurements in cm unless stated otherwise

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• Madone SL 6

Trek Madone SL 6

Madone SL 6 Disc gives you the advanced aerodynamic performance and all-around ride quality of our ultimate race bike at a great value. It has aero wheels, a road-smoothing IsoSpeed decoupler, powerful hydraulic disc brakes, and a sleek look that screams for speed. It's right for you if... You want to go really freakin' fast. You know exactly what it's like to be off the front, battling the wind in a solo break, and want all the free speed you can get. You also know a great value when you see it and appreciate the fit and customization options of a standard bar and stem and the all-weather stopping power of disc brakes. The tech you get A lightweight 500 Series OCLV Carbon frame and fork with Kammtail Virtual Foil tubes that cut through the wind, a road-smoothing IsoSpeed decoupler, a Shimano Ultegra 2x11 groupset, tubeless-ready Bontrager Aeolus Comp wheels, hydraulic disc brakes, and an aero handlebar that's compatible with clip-on aero bars. The final word You get the free speed, aerodynamic advantage, and superior ride quality of our ultimate race bike at a great value, plus the added ability to mount clip-on aero bars for time trials and triathlons. Why you'll love it - Adjustable Top Tube IsoSpeed lets you adjust compliance to your preference, and it's damped with an elastomer so it rebounds in a smooth, controlled, stable motion - All the aero advantages of Madone, plus the added capability to clip-on aero bars for triathlons and time trials - Disc brakes offer better braking performance and extra clearance for wider, more stable tires - The Madone seatpost has an integrated mount for the Bontrager Flare RT tail light - Let's be honest: this bike looks awesome like it's breaking speed records even when it's parked at the café for a post-ride espresso

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• Madone SL 6 Gen 8

Trek Madone SL 6 Gen 8 - 2025

Madone SL 6 Gen 8 is a lightweight aero road bike that brings elite racing tech to a lower price point. It offers similar aero benefits to the pricier Madone SLR Gen 8, but with a more economical OCLV 500 Carbon layup and two-piece cockpit with hidden cable routing. It's built to race with geometry that keeps you comfortable on the climbs and perched for the attack. A Shimano 105 Di2 electronic groupset keeps the price down without sacrificing lightning-fast electronic shifting. Plus, it's topped off with carbon wheels for extra lightweight performance. - Revolutionary Full System Foil aero tube shapes redefine what fast looks like and help optimize aerodynamics around the whole bike - A more economical 500 Series OCLV Carbon frame and new tube shaping shave weight where it matters most to help you fly up climbs - Carbon wheels keep weight down and performance up, so you can crush climbs and soar down descents - You get lightning-fast shifts that stay crisp and clean thanks to Shimano's Di2 tech trickling down to their 105 groupset - Lightweight, race-focused IsoFlow comfort tech helps you ride stronger longer without sacrificing weight or aerodynamics - This bike comes set up tubeless — a first in Trek performance road history

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Trek Madone 6-Series review

Long term review of redesigned road bike

James Huang/Future Publishing

James Huang

Trek cooked up a radical redesign of its workhorse Madone 6-Series road chassis last year, infusing a healthy dose of aero ingredients borrowed from its groundbreaking Speed Concept TT/tri bike.

As expected, the aero claims are eye opening: 25 watts of saved energy at 40km/h compared to the previous Madone – nearly two minutes per hour. We can't verify those figures ourselves without hitting the wind tunnel – and they certainly can't be felt while out on the road – but what we can confirm is that Trek has carried over most of the existing Madone DNA to produce yet another solid ride.

Ride and handling: Same Madone brilliance but with a slightly smoother ride

Purported aero benefits aside, the new Madone feels much like the old one in many ways – and that's a good thing. As always, one of the best features is the bike's handling.

While many machines are billed as 'neutral', the Madone defines the term with intuitive manners that practically require just a thought to go where you want. Neither overly twitchy nor somnabulantly boring, the pitch-perfect geometry – 73-degree head tube angle, 976mm wheelbase, and 72mm bottom bracket drop on our 52cm sample – carves a wicked arc through sinuous high-speed descents, confidently switches lines mid-corner, and still nails the proverbial 'peel a banana at speed' test.

Trek has, however, tweaked the numbers a bit. Specifically, the more aggressive 'H1' fit variants now have a slightly more stretched-out position but the consequently longer (and, thus, more stable) front center is offset by a slightly steeper head tube. Aside from the increased reach, then, riders moving from an older H1 frame to a newer one shouldn't notice any difference handling-wise.

The latest Madone again uses Trek's no-cut seatmast design

Drivetrain and front-end rigidity also feel unchanged from before, which is again just fine given that the predecessor was very good in those respects. While still not quite on par with some more stoutly reinforced options, the Madone 6-Series is an eager and lively beast when you get on the gas. Save for especially fit riders with above average power outputs, we doubt most people will notice a difference.

Ride comfort has improved too, albeit marginally. Trek's move to a chain stay-mounted rear brake (more on this later) leaves the seat stays unencumbered by extra reinforcements, and they're impressively slim from seat cluster to dropouts in order to flex a bit more under impact. Despite the major visual change – this is the first carbon Madone not to use some sort of seat stay wishbone – it's still a fairly firm ride.

Frame: Dramatic Kammtail shaping

Rather than run two separate carbon road bike campaigns – one that prioritizes stiffness and weight and another that concentrates on aerodynamics – Trek has decided to roll all three priorities into one chassis.

As with the Speed Concept, the key element is Trek's Kammtail Virtual Foil (KVF) tube shaping, which uses truncated airfoil cross-sections that supposedly maintain the aerodynamic performance of a traditional teardrop shape but without requiring unusually narrow profiles that might compromise structural requirements or violate UCI technical regulations.

As such, the Madone looks fairly traditional from a distance, and includes Trek's long-standing design features: the ultra-wide BB90 bottom bracket, the fat E2 1 1/8in to 1 1/2in tapered head tube, the round no-cut integrated seatmast, and the generously proportioned down tube and chain stays. However, a closer looks reveals that the more upright elements are shaped more like a 'U' with flat trailing edges.

Further nods to cheating the wind include direct-mount front and rear brakes, with the former's shape integrated and blended into the fork crown and the latter moving down beneath the chain stays where the airflow is already turbulent.

Virtually everything is carbon fiber, too, including the bearing seats for the integrated headset and bottom brackets and the rear dropouts. Once again, the non-driveside chain stay incorporates a pocket for the ultra-tidy Bontrager DuoTrap wireless speed and cadence sensor.

Cabling is internal throughout and convertible between electronic and mechanical drivetrains. Removable ports at the rear brake and under the bottom bracket shell ease maintenance some but the lack of internal guides still makes servicing tricky if you don't have the forethought to run liners through the frame before yanking out the old cables.

Internal routing and the chain stay-mounted rear brake make for a clean-looking package

Unfortunately, we took issue with some of the routing's entry and exit ports, too. The entry ports for the derailleurs and rear brake are too far forward, meaning that riders with smaller frames (or ones using shorter and/or lower stems) will have to run bigger loops of housing to prevent binding.

Trek recommends running derailleur lines around the head tube and crossing them back over inside the down tube but we had better luck both visually and functionally by straightlining everything front-to-back.

Likewise, the rear brake path is less than optimal. While the port placement is questionable on its own, Trek further complicates matters by adding a plug-in quick-release and barrel adjuster – necessary evils given the brake placement.

However, while the add-on fits sloppily in the stop (making for a vague feeling lever), it effectively kicks the port even further forward. And the exit port's location immediately behind the bond line at the bottom of the down tube makes feeding a cable through an exercise that almost requires having a stiff drink on hand.

Even worse, the cable noticeably drags on the exit port's aluminum noodle, too. Adding in a short piece of housing liner helped with the friction, though, while yanking out the crank and bottom bracket (not to mention a flashlight and a spoke on hand) made it a little easier to run the cables. Even so, what should have been a five-minute job was anything but.

On the plus side, the hidden rear brake and internal routing yields a distinctly clean-looking rig with minimal filigree to muddy up the sleek lines. Once those lines are run, the frame will also mostly protect them from dirt and water, so at least you won't have to deal with replacements that often.

While the new frame might be more aero, it isn't any lighter. In fact, the 52cm H2 Madone 6-Series frame we tested more than two years ago weighed 948g, while this new one is 1,000g even despite the more compact H1 front triangle geometry. Likewise, fork weight has climbed a bit, up from 300g to 330g.

Equipment: Mostly solid kit but integrated brakes are disappointing

Our wonderfully light, 6.54kg (14.42lb, without pedals) custom-built test bike was an early media sample sent before Shimano had adequate stock of the new Dura-Ace 9000 group. As such, Trek built it up with previous-generation Dura-Ace 7900 that will no longer be available, so we won't bother to comment on it here aside from saying that the new kit will be even lighter.

As usual, Trek's house brand Bontrager label adorns just about everything. The lightweight RXXXL carbon handlebar is comfortable in terms of its compact bend and shock absorbing abilities, the Affinity RXL saddle is light and distributes pressure fairly evenly (but seems better suited to slightly more upright positions), and the utterly reliable RXL forged aluminum stem gets the job done with minimal fuss, although its relatively small-diameter extension is falling behind the times stiffness-wise.

Bontrager also includes its latest Aeolus 3 D3 carbon clincher wheels wrapped in aero-profile R3 tires. At a claimed 1,440g per pair they spin up reasonably quickly, as expected, while the ultra-fat, 35mm-deep rim supposedly matches the aero performance of much deeper wheels.

As an added bonus, they're impressively stable in crosswinds, and because the rim is actually wider than the tire there's no need to undo the brake quick-release when changing a flat. The ultra-reliable, DT Swiss-built star ratchet rear hub internals should last for ages, too. Stiffness could be a little better, though – we noted repeatable brake rub up front when climbing out of the saddle.

Likewise, the R3 tires might be more aerodynamically efficient than traditional rubber with their slightly oval profile and molded-in 'wings' to smooth the gap between tire and rim, but the stiff casings don't ride as well as the Madone chassis deserves. In addition, the raised center lends a tippy feeling on-center with a disconcerting transition that makes the bike want to 'fall' into corners.

We swapped them out for a set of Continental Force/Attack clinchers and happily restored the Madone's innate handling prowess, along with a much improved ride quality.

The one major Bontrager-related disappointment is unfortunately a significant one. While Shimano will soon have its own direct-mount brakes to offer, the stock Bontrager Speed Limit calipers are just about all that's available for now.

The rear brake isn't accessible while riding

Weight is competitive, at 154g apiece with mounting hardware, but they're visually chunky and cheap looking. The associated hardware feels rather low-rent, too, with a lowly steel M6 locknut used for the rear cable anchor and soft aluminum pad hardware that easily takes a set, making it difficult to get a good adjustment.

More to the point, they don't work as well as they should. The flex-free mounts yield a firm lever but high-end power is lacking, exacerbated by the stock Bontrager cork pads' so-so initial bite. We had to squeeze awfully hard to rein in speed when hurtling down some of our most familiar descents. In addition, the pivots bind if they're tightened down too much. Loctite on the threads is a must.

Even the brakes' placement complicates matters. None of the pad fixing screws can be readily accessed on the bike – meaning you have to readjust the cartridges every time you swap pads – and it's virtually impossible to sight the rear brake pads on the rim while simultaneously squeezing the lever. Adding even more fuel to the fire is the fact that they simply don't look very high-end, either.

Trek has managed to integrate aerodynamic performance into the new Madone while impressively maintaining all of the old bike's most important characteristics: weight, stiffness, ride quality, and handling. The devil is in the details, though, and we can't help but feel a few important ones were overlooked here.

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Trek Madone SL 6 Gen 8 2025

£ 4,250.00

The Madone SL 6 Gen 8 is a lightweight aero road bike that brings elite racing tech to a lower price point. It offers similar aero benefits to the pricier Madone SLR Gen 8, but with a more economical OCLV 500 Carbon lay-up and two-piece cockpit with hidden cable routing. — Read More

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Description.

The Madone SL 6 Gen 8 is a lightweight aero road bike that brings elite racing tech to a lower price point. It offers similar aero benefits to the pricier Madone SLR Gen 8, but with a more economical OCLV 500 Carbon lay-up and two-piece cockpit with hidden cable routing. It’s built to race with geometry that keeps you comfortable on the climbs and perched for the attack. A Shimano 105 Di2 electronic group set keeps the price down without sacrificing lightning-fast electronic shifting. Plus, it’s topped off with carbon wheels for extra lightweight performance.

It’s right for you if…

You want a featherweight road race bike without top-end race pricing. You’re up for racing, club rides or solo spins up winding canyons, and don’t want to compromise between climbing efficiency and aerodynamics. You love the workhorse performance of Shimano’s 105 group set, but want the added benefit of Di2 lightning-fast electronic shifting.

The tech you get

An ultra-light OCLV 500 Carbon frame with aero tubing and IsoFlow comfort technology. A 2×12 Shimano 105 Di2 electronic group set that delivers clean shifts thanks to trickle-down tech. Plus, it’s topped off with Bontrager Aeolus Elite 35 carbon wheels that come set up tubeless.

The final word

The Madone SL 6 Gen 8 delivers race-worth aerodynamics and climb crushing weight. It’s a bonafide superbike in a more economical package, thanks to its 500-Series OCLV Carbon lay-up and workhorse Di2 group set. It offers the same frame tech as its SLR sibling, like aero tube shaping and lightweight IsoFlow comfort tech, so you can stay at the front of the pack.

Why you’ll love it

• The Revolutionary Full System Foil aero tube shapes redefine what fast looks like and help optimise aerodynamics around the whole bike
• A more economical 500 Series OCLV Carbon frame and new tube shaping shave weight where it matters most to help you fly up climbs
• Carbon wheels keep weight down and performance up, so you can crush climbs and soar down descents
• You get lightning-fast shifts that stay crisp and clean thanks to Shimano’s Di2 tech trickling down to their 105 group set
• Lightweight, race-focused IsoFlow comfort tech helps you ride stronger longer without sacrificing weight or aerodynamics
• This bike comes set up tubeless – a first in Trek performance road history

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All-new Trek Madone GEN 8

Today, Trek released the all-new Madone Gen 8, a combination of its two iconic superbikes. Light as Émonda, fast as Madone, it truly is the best of both models — and the only road race bike you’ll ever need to reach your full potential.

The new Madone Gen 8 is the best of both world’s, no compromises, as a rider you no longer have to choose between fast or light and sprinting or climbing. With Madone Gen 8, those seeking speed get an even more aerodynamic ride, and riders focussed on ascending get an ultra-light bike that helps them climb faster than ever.

The Madone Gen 8 was designed with input from the world’s top racers to be the best in any riding scenario, whether that’s powering up alpine climbs or sprinting across the finish line in your local criterium. The New Madone Gen 8 is confidence inspiring in any scenario.

Light as Émonda

Madone Gen 8 is as light as the current Émonda SLR chassis and 320 grams lighter than the previous Madone platform, thanks to all-new 900 Series OCLV Carbon and radical new tube design. Plus, it climbs like a dream, so even those who previously chose the svelteness of the Émonda will be impressed by it’s ability to fight gravity.

Fast as Madone Gen 7

Madone Gen 8 is 77 sec/hr faster than Émonda and as fast as the previous Madone* with new Full System Foil aero shapes that redefine what fast looks like. Plus, new RSL Aero Bottles and Cages (included with Madone SLR) help make the whole rider system faster on any bike out there.

Cycle to work scheme

Wheelbase has teamed up with CycleScheme, Bike2Work Scheme, Green Commute Initiative, as well as, Vivup, Gogeta, Cycle Solutions & Halfords to offer PAYE employees a healthier way to commute. The scheme stems from the U.K Government's Green Transport Plan which is designed to get more people out and about riding bikes and reaping the multitude of personal and environmental benefits!

Find out more

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Review: The New Trek Madone Is Extra Smooth and Still Very Fast

The emonda dies and the trek madone is once again the all-around race bike, but all i can ask is how can a bike this fast be this comfortable.

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• Incredibly comfortable.
• Project One build customization.
• Clever aero cage system with real benefit.
• Size specific ride tuning.
• Weighs within 40 grams of previous Emonda.
• Faster than previous Madone.
• High quality outfront mount.
• Power meter included with SRAM builds.
• Stiff when standing.
• Universal derailleur hanger.
• Narrow handlebar diameter as it exists the controls.
• Smooth ride lacks engagement.

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The Trek Madone is one of the most recognizable modern race bikes on the market today.

It came to market in 2003 with a name pulled from a French climb and was quickly synonymous with winning under Lance Armstrong. Those were the early days of carbon fiber and long before aero was everything.

Although the tubes used carbon, they were still mostly round and the Madone was Trek’s do-everything race bike. In 2016, everything changed.

Although the Madone had added aero details steadily since around 2012, weight had remained important. Then the Emonda came to market as a climber’s bike with weight as the ultimate goal. The new bike gave the Madone a new freedom. Aero was everything, weight didn’t matter, and the 2016 Trek Madone was completely different.

Today, eight years later, everything changes again. The Trek Madone is returning to its roots as an all-around race bike and the Emonda is disappearing.

Trek will tell you this is purely because of innovation but it’s largely a result of the UCI keeping the minimum bike weight (6.8kg/15 pounds) unchanged. More and more brands have managed to hit the minimum weight without sacrificing aero performance. The Emonda is no longer needed to offer what the Madone can’t — at least so long as the UCI minimum weight remains the same.

To understand what that means, my latest bike review is the updated Gen 8 Trek Madone I’ve been riding for close to a month now. I tested a top-spec Trek Madone SLR 9 AXS and what I found is that the Emonda disappearing is only a small footnote in the details of this bike. Nearly everything about the 2025 model year Trek Madone is new and the result is a bike unlike anything else.

As a final goodbye to the bike, I attempted to take it on a 230-mile trip to the beach and back. Things didn’t quite work out as planned, but my time with the Trek Madone was spent marveling at how smooth and comfortable it is. If you are looking for a new road bike this summer, keep reading to see what works and what doesn’t on the latest Madone.

Quick hits: standout details of the Trek Madone SLR 9 AXS

• More aero than a Gen 7 Madone and nearly as light as the Emonda.
• For that reason the Emonda is leaving the Trek lineup.
• Comfort is the most noticeable part of the ride experience.
• There’s a high quality outfront mount.
• Power meter is included with SRAM builds.
• Aero cages will take standard bottles.
• Trek Project One allows you to get the exact bike you want.
• Sizing changes from numbers to T-shirt style of small, medium, etc.

Trek Madone SLR 9 AXS frame details

The Gen 8 Trek Madone, is an attempt by Trek to turn back the clock. The Emonda came to market as a solution for a problem. Now there’s a better solution and Trek is recombining the Madone and the Emonda. The question is, can you do that without losing anything?

To answer that, Trek started by looking to add aerodynamics to the Emonda. Pretty quickly it was clear that a weight first focus wouldn’t cut it. You can add aerodynamics to a lightweight frame but it’s not as difficult as it once was to match the UCI minimum weight. A brand either has to blow past the UCI weight limit, ala the Specialized Aethos , or make an aero bike just light enough.

Having once again proven that, Trek started expanding the possibilities. Instead of a new Emonda, the goal was now to create a bike that was faster than both the Emonda and the Madone on any gradient between zero and 12 percent.

To get there, Trek developed a pair of algorithms that would both develop cross section shapes and test them. You can think of it as a brute force attack on aerodynamics and it allowed a speed of testing that would otherwise be impossible. This process led to a new shape called “Pareto” that’s more square than previously thought efficient. It minimizes weight while maximizing aerodynamics and it provides a range of options.

With that in mind, the next stage of development was to use those new building blocks to create a bike. Some of the shapes identified were lighter, some more aero, and the team used a combination of CFD and Finite Element Analysis (FEA) to find the best places for different shapes. Instead of simply trying to use the most aero option at every opportunity, Trek instead takes a system approach the brand is calling “Full System Foil.”

The idea here is that air flows at different speeds around different parts of the bike. Interactions at the front of the bike, or with the rider, sometimes slow it down and sometimes speed it up. Knowing this means different solutions are needed in different places. A chunky downtube that’s lighter and less aero makes sense because the front wheel slows the air. This slower air means low-drag shapes are less important for the downtube. At the same time, the legs of the rider actually speed up the airflow as it passes through. For that reason the area where you’d normally find a seat tube and post benefits from aero shapes and Trek uses the isoFlow design with aero shapes for the seat mast and post.

The last example Trek gives is the new Aero RSL Road integrated bar/stem. This is another piece that’s actually slower if you look at it in isolation. That increased drag is intentional though. According to Trek, the “wake of the thicker handlebar slightly reduces drag on the pedaling legs by slowing down the air in front of them.” Given that a rider’s legs are a bigger drag contributor, the net effect is a gain.

Overall, those little details are the point. Each little aero detail adds up and Trek quotes a 0.1 watt saving at 22 mph for the Madone Gen 8 vs Gen 7. If that sounds small, it is — but a win is a win and the numbers compared to the old Madone aren’t that important anyway. The place where you see bigger numbers is when compared to the Emonda. That comparison shows an 11.3 watt advantage at 22 mph while also dropping the weight to a 36 gram penalty for the vastly more aero bike. If you are curious, there’s also a savings of 322 grams for the frame and fork when compared to the Gen 7 Madone.

Trek Madone SLR Geometry

Although the various geometry options disappeared before this generation, that continues. There’s no longer a reference to various names and it’s the same as the previous h1.5. There’s also less sizes covering more range with a move from eight options, labeled using the seat tube length, down to six options labeled XS-XL. As you move up and down those sizes, Trek is offering size-specific tube shapes to go with them. Smaller and larger bikes will now have better balanced stiffness, better aesthetics, and actual wind tunnel testing.

Builds and pricing

Frame: 900 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic-only routing, removable aero chainkeeper, T47 BB, flat mount disc, UDH, 142x12mm thru axle

Fork: Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle

Shared with every build option: T47 bottom bracket standard, RSL Aero Bottle and Cage system, UDH (universal derailleur hanger), 32 mm max tyre clearance

Frame: 500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical routing, removable aero chainkeeper, T47 BB, flat mount disc, UDH, 142x12mm thru axle

Shared with every build option: T47 bottom bracket standard, UDH (universal derailleur hanger), 32 mm max tyre clearance

Trek Madone build details

One of the innovations that comes to the Gen 8 Trek Madone is the new full carbon one-piece fork. The same fork comes on every model of the bike but there’s also an updated 900 series OCLV carbon only available for the SLR builds. Along with the new carbon, the SLR builds also bring the addition of the one-piece bar and stem, electronic only groupset compatibility, and the aero bottle system. If you do decide to start with an SL build, the bar/stem and the aero bottle system are available as aftermarket accessories.

Among the build options you will also find customization options. If you prefer a frameset only, there’s one available in both carbon options. If you’d rather have a complete build but you want to customize the details, check out Project One. If you, like me, prefer better climbing gears and a 1:1 ratio, you could change the gearing that comes with your bike as well as any other sizing details. You can also adjust components up or down and there’s plenty of paint options. Depending on budget you can stick to picking a simple color scheme for no up-charge or take a look at the Project One ICON series premium paint schemes. Launching with the bike is a new option in that lineup called Chroma Interstellar.

Ride experience

Sometimes testing doesn’t go according to plan. My plan with this bike was to cap off more than a month of riding with it by doing a roughly 230-mile ride from my house to the coast and back. I’d written headlines talking about spending 15-hours (just a guess) on it and I’d prepared the bike. After 10 miles, my riding partner and I collided, the bike went down, and the UDH broke. The ride was over. I could hide that but I think there’s value in what it says about the Trek Madone Gen 8 even if it didn’t go off as planned.

The idea of the trip came to me because of how this bike felt. From the very first moment I swung my leg over it, I was immediately blown away by how smooth it is. The terrible pavement as I leave my neighborhood is nearly imperceptible on the Madone. As I went over a rough wooden bridge on a later ride I realized that it was actually a moment I could attack as my buddy slowed. At one point I even started to wonder how well it would do off-road on its max 32 mm tires.

I initially worried that it was smooth because it had a lot of flex but as soon as you stand, you know that’s not the case. My notes from those early rides are all questions trying to get to the bottom of when it feels stiff vs compliant. The more I tested, the more amazed I was with the dual nature of the latest Madone.

If you cruise with it, it’s smooth and comfortable. If you push it, the bike responds. Stand to sprint and it feels like a different bike. When it’s time to climb, the 6.9kg (as measured ready to ride minus pedals) and stiff frame are willing partners. This dual nature is backed up with a comfortable riding position as well.

Like with the Enve Melee , holding the tops puts you somewhat upright. Trek counters the upright position with the Trek Aero RSL Road integrated bar/stem that uses a proven trick of simply being narrow. Size it like other bars on the market and you’ll notice narrower hoods that provide a big aero upgrade. I tend to find this unnoticeable and, given it’s faster, that’s a good thing. The only detail I would love to see addressed is the narrow, rounded, nature of the bar immediately behind the controls. If this was my bike, I’d want to add a bit more padding right there.

As far as the rest of the finishing kit goes, there’s not a single detail I can complain about. Bontrager Aeolus Pro 51 TLR Disc Road Wheel shrugged off crosswinds and felt fast. The Aero bottles are very usable plus offer an easy 3ish watts savings depending on speed (3.7 watts at 45 km/h) and I love the outfront mount. That’s something I often complain about because it can be such an annoyance when it’s not right, but this time Trek nailed it. Even the included saddle is great and actually a piece I’ve used on other bikes a number of times over the years. If any of those details, including specifics like gearing, aren’t quite right for you, then Project One will fix it without issue.

The Gen 8 Trek Madone is the kind of bike I want to share with you. When I packed it up to head to the beach, I swapped out the aero bottles for a set of HydraPak Breakaway+ 30oz bottles (with the filter swapped for standard tops) and it just worked without issue. Then I added the light mount and attached an Outbound Lighting Detour . Again, everything just worked.

That idea of things just working is what I look for in a bike. Trek wants to talk about smashing an aero bike and a climbing bike together but that’s only part of the story. The Madone is so comfortable, smooth, and usable that Trek is really offering one bike to cover all of your needs. If you want to do some kind of huge ride, that’s a five-minute swap from fast bike to long distance bike. If you want to take a bike out climbing grab this one. If you have a fast and flat day, the Madone works there too.

However you decide to use it, Trek thought through all the little details. Creating a good quality outfront mount is a small thing that has a big impact on your experience of riding a bike, Trek nailed that for you. There’s aero bottles but they are good for drinking water and you can also use standard bottles if you need to. You can go fast or slow over rough or smooth pavement and the Gen 8 Trek Madone is a capable partner. If there’s anything you want changed, Trek makes it easy to customize your build. Even the builds with included power meter are part of the picture. Nothing ever feels cheap and, sadly, that’s not always true even on a bike this expensive.

The only thing that kept sticking in my mind during this test was whether I wanted a bike this smooth all the time. The first time I took it out I’d just gotten off my Look 795 Blade RS while testing the Specialized Roval Rapide CLX II wheels. The Trek is just as fast, I actually matched my fastest time, but it doesn’t feel as fast. The Look is a visceral ride with controls that are two inches lower. It’s not smooth, it requires a good stretch before and after a ride, and the combination of those wheels and the Hope RX4+ brakes make for a lot of noises. When you ride that bike, you feel like you are pulling the performance out of it. The Trek Madone is just as fast but it lacks all the drama. Is that a good thing?

Would you prefer a bike that’s borderline uncomfortable but very engaging or a bike that’s precise and smooth but feels a little less heroic? If you want a go fast bike that can do anything you ask, no drama included, check out the latest Trek Madone.

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