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Trek Madone 9 Series Project One



Stunningly good bike that offers a fabulous mix of speed and comfort, although, as usual, the top-end tech comes at a price

At every product is thoroughly tested for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced cyclists that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don't intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product's function and value – with value determined by how a product compares with items of similar spec, quality, and price.

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The Trek Madone 9 Series features novel technology that results in a fast and very comfortable ride, but as is often the case with innovative engineering it doesn't come cheap.

I'm not just chucking around high praise here for the sake of it, this really is an exceptional bike. 

Here's everything you need to know.

Find your nearest dealer here 


The Madone's comfort comes largely as a result of its IsoSpeed decoupler. If you need a refresher on exactly what that is, it's a technology based on a tube within a tube design.

The outer seat tube that you see is shaped for aerodynamics and isn't particularly flexible. But within that, there's a much skinnier round inner seat tube, bonded to the outer just above the bottom bracket and linked to the rest of the frame via a pivot up at the seat cluster. The inner seat tube can flex easily, allowing movement at the seatmast and saddle.

It's hard to explain the system without using the overused phrase 'vertical compliance', but that's what's on offer here: extra vertical compliance.

Here's a video that explains it from when Trek launched the Domane, the bike that first featured the IsoSpeed decoupler.

So, does the IsoSpeed decoupler work?

In short, yes. The longer version is: yeeeees.

Many aero bikes are, let's face it, fairly uncomfortable. It's hard to persuade their deep-profiled tubes to flex at all in pursuit of comfort. Trek's IsoSpeed system is a clever solution.

If you're familiar with riding a full suspension mountain bike, it's nothing at all like that. Not in the same county. But the IsoSpeed system does smooth over the lumps and bumps to a n appreciable degree. The effect is subtle, but it is noticeable. If you get the chance, take a Madone 9 Series on a test ride and you'll feel it for yourself.

As with most other bikes, you can fit headset spacers to fine-tune the height of the stem, although they're a clam shell design specific to the Madone 9 Series. You can fit larger tyres to add more comfort, too; the bike will take a 28mm width.


The Madone 9 Series' other major features are aimed at aerodynamic efficiency. Trek says that this is the fastest aero bike out there. We're upfront about the fact that we can't test aerodynamics, but we can explain what Trek has brought to the party here.

Frame tubes, fork legs and the seatmast are made to Kammtail profiles (Trek calls its profiles Kammtail Virtual Foil, or KVF). In other words, Trek has designed them to slip through the air with as little drag as possible, then chopped the back of those profiles off square to retain most of the aero performance while saving weight, avoiding handling issues in crosswinds, and remaining within the UCI's bike design rules.

One of the most eye-catching features is the front end where the direct-mount centre-pull brake is integrated into the fork. The cable is fully internal, routed down the front of the proprietary steerer tube and through the head tube.

The brakes are from Trek's in-house Bontrager brand and they're designed specifically for this bike. The top of the front calliper is hidden within the head tube. There's not enough space in there for the calliper to move when the fork is turned so Trek has developed what it calls 'Vector Wings' – small flaps that flip up to allow the movement.

Those Vector Wings look quite fragile but I didn't manage to catch them on anything during testing, still less damage them. They are replaceable if you do destroy them in a stack.

The idea of all this front end integration is to ensure continuous airflow towards the down tube.

The top section of the Madone XXX integrated bar/stem is KVF-shaped too, and it's surprisingly comfortable. It fills your palm so there's very little pressure when you rest your hands up there, and the rearward edge is blunt enough that it doesn't dig into the space between your thumb and index finger.

Trek reckons that the new bar saves 34g of drag (the average over 0-20 degrees of yaw) compared with the current Bontrager XXX Aero bar (normalised to 30mph).

The water bottles have been sited to minimise drag, with the one on the seat tube positioned as low as possible, and Trek says that even the 3S chain keeper (the little device that stops the chain coming off the inner chainring) has been designed with aerodynamics in mind.

The new Madone also features a neat little design on the down tube that Trek calls the 'Control Center'. This allows you to make gear adjustments. It houses the front derailleur adjustment dial on bikes with mechanical setups, and it's where the Di2 battery and junction box live on bikes, like our test model, with electronic gears (it is not compatible with Campagnolo EPS). You get access to the trim button through a window in the top. A one-tab release exposes the charging port.

It's about time more brands started hiding that Di2 junction box, and Trek has come up with a great solution while keeping it highly accessible. Full marks!

The rear brake is in a traditional position on the seatstays (higher end models of the last Madone design had a chainstay-mounted brake, but Trek has re-sited it for convenience), and like the front brake it's a centre-pull design, the cable passing through the top tube with a stop at the seat tube.

So, that's a whole lot of aero tech! And this is a very condensed version, believe it or not. As I mentioned, Trek says that all this adds up to make the Madone 9 Series the most efficient aero road bike out there. Other brands make similar claims for their own bikes, of course. I'd suggest you read Trek's white paper for the full in-depth explanation before you spend your cash. 


I spoke a lot about the Madone 9 Series' comfort up top, but that's by no means its only skill. This bike is freaky in that it manages to combine soft seating with a super-fast feel.

You do pay a slight weight penalty for the IsoSpeed system. Putting one tube within another tube and adding a pivot has to add a little weight – there's no such thing as a free lunch – but Trek still claims that a 56cm Madone in an H1 geometry comes in at 950g. Our complete 58cm bike weighs 7.0kg (15.4lb) on the button. Okay, that's not as superlight as some other high-end race bikes out there – Trek's own Emonda is lighter, for example – but it's still pretty light, and aerodynamic efficiency beats a light weight in most situations.

The Madone feels quick and responsive as soon as you climb aboard and fire your legs into action. Our bike – not a standard model but a similar build to the 9.9 (see below) – shoots up to speed quickly and maintains that speed beautifully.

Climbing feels great on this bike. It's punchy on the short, sharp climbs, zippy when you get out of the saddle, and it feels good when you sit down for a long slog with your hands resting on the top of the Madone XXX integrated bar/stem (see above).

Descending is a real buzz. That's partly because the IsoSpeed system helps skim over any bumps and holes in the road, and partly because the bike as a whole is great for pinning it through the tight stuff and high-speed changes of line.

I wouldn't say that the centre-pull Bontrager brakes are right up there with Shimano Dura-Ace in terms of all-out power, but modulation is good so you're not making much of a compromise here.

When it comes to sprinting, the frame feels taut and efficient but that handlebar isn't the stiffest ever. I've found this before with bars that have ultra-squashed top sections. When you're out of the saddle and your hands are on the drops, you can get a bouncing sensation up front as that slim carbon-fibre profile flexes slightly. It's purely down to the bar rather than anything to do with the frame or fork, and I only had this happen when I was giving it my best Greipel moves. Don't get me wrong, it's not the most flexy bar I've ever encountered, but it's not the stiffest either.

Overall, though, the Madone behaves superbly, the best feature being that its high level of comfort keeps you feeling fresher and up for the fight that much longer.


How easy is it to change a brake cable on a Madone 9 Series bike? It's a more complicated job than on a standard bike because both run almost completely internally from the lever to the calliper.

There are no barrel adjusters for the brakes either – you have to use a diddy Allen key to wind each brake pad closer to the rim, so that's something best done at home rather than out on the road.

Taking the bike apart for travel is a bit more complicated than usual too, although Trek gives you full instructions on how to do it painlessly. 

For those reasons, living with a Madone 9 Series bike might be a touch more difficult than usual, but it's nothing you can't handle.

One other potential downside, depending on your point of view, is that many replacement parts you buy will have to come from Bontrager. The brakes are proprietary, for example, and so is the fork, the handlebar and the seatmast. You won't be able to shop around and look for deals from other brands.


Our Madone is built to Trek's low and stretched H1 geometry, although most of the range (see below) come in Trek's H2 fit – slightly less low and stretched but still race-focused.

To put some figures on that, a 56cm Madone 9 Series in an H1 fit has an effective top tube of 56cm and a head tube of 14cm. The same bike in an H2 fit has the same length top tube but a 17cm head tube. The main difference between them is in the stack height (the vertical distance between the bottom bracket and the top of the head tube): 54.9cm versus 57.7cm.


The Bontrager 9 Series bikes are hi-tech and they come with hi-tech price tags.

The most accessible Trek Madone 9 Series bike is the 9.2, equipped with a Shimano Ultegra mechanical groupset and Bontrager's new Paradigm Elite wheels. It's £4,500.

The 9.5 with a Shimano Dura-Ace mechanical groupset and Bontrager Aura wheels is £6,000 and the Madone 9.9 (available in standard and women's versions) with a Shimano Dura-Ace Di2 groupset and Bontrager Aeolus 5 D3 wheels is £9,000.

All of these bikes come with H2 fit frames.

The Madone Race Shop Limited model, with a frame made from a higher grade of carbon fibre and built to an H1 geometry, Shimano Dura-Ace Di2 and Bontrager Aeolus 5 D3 wheels, is £9,750.

An H2 frameset is £3,350 while a Race Shop Limited H1 frameset (with that higher grade of carbon fibre) is £4,100.

The bike we have here is essentially the Madone Race Shop Limited model, but Trek painted it in colours for our review. If you happened to want this colour (or any other colour/finish), you'd need to go through Trek's Project One programme that allows you to customise both the spec and the finish. 


As cyclists we get used to having hyperbole thrown our way by bike brands releasing what are actually pretty ordinary bikes, but the Madone 9 Series backs up Trek's claims with a fabulous performance out on the road. This is a bike that's genuinely very different from the norm – and not just different for the sake of being different. The technology on display here contributes to a bike that's very fast and very comfortable.

If I had a bottomless pot of cash available to buy a high-end race bike (if only!), this is where I'd be spending my money right now. If you do have the money and can live with the fact that maintenance in some areas is more complicated than usual, the Madone 9 Series deserves a place somewhere near the top of your wish list.


Stunningly good bike that offers a fabulous mix of speed and comfort, although, as usual, the top-end tech comes at a price

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Make and model: Trek Madone 9 Series Project One

Size tested: 58cm, custom finish

About the bike

State the frame and fork material and method of construction. List the components used to build up the bike.

Frame 700 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, Madone IsoSpeed, Micro-adjust seat mast, E2, BB90, invisible cable routing, Control Centre, precision water bottle placement, Aero 3S chain keeper, DuoTrap S compatible

Fork Madone KVF full carbon, carbon E2 asymmetric steerer, carbon dropouts, integrated brake and stem

Sizes 50, 52, 54, 56, 58, 60, 62cm

Frame fit H1

Wheels Bontrager Aeolus 5 TLR

Tyres Bontrager R4 Hard-Case Lite, 220tpi, aramid bead, 700x25

Shifters Shimano Dura-Ace Di2, 11-speed

Front derailleur Shimano Dura-Ace Di2, braze-on

Rear derailleur Shimano Dura-Ace Di2

Crank Shimano Dura-Ace, 53/39 (double)

Cassette Shimano Dura-Ace, 11-28, 11-speed

Chain Shimano Dura-Ace

Saddle Bontrager Paradigm XXX, carbon rails

Seatpost Madone micro-adjust carbon seatmast cap, 25mm offset

Handlebar Madone XXX Integrated Bar/Stem, KVF profile, Invisible cable routing, OCLV carbon, VR-CF

Stem Madone XXX Integrated bar/stem, OCLV Carbon, 7-degree, aero top cap pocket, w/Blendr computer & light mounts

Headset Madone integrated, stainless cartridge bearings, sealed, 1-3/8in top, 1.5in bottom

Brakeset Madone aero, integrated, direct mount

Bar tape Bontrager Supertack tape

Tell us what the bike is for, and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about the bike?

It's a full-on race bike. Trek divides its road line into three: Emonda for those wanting light weight, Domane for those wanting comfort, Madone for those wanting aerodynamics.

Trek says: "Madone is the ultimate fusion of power, aerodynamics, ride quality and integration. There are no two ways about it: the first true super-bike is a marvel of road bike engineering.

"Every detail of Madone is engineered for unprecedented futuristic performance, ride quality and efficiency, putting every single watt you earn toward demolishing your competition."

Frame and fork

Overall rating for frame and fork

Tell us about the build quality and finish of the frame and fork?

Excellent quality.

Tell us about the materials used in the frame and fork?

Our frame and fork are made from 700 Series OCLV carbon fibre. In truth, the 600 used for most of the other 9 Series bikes is very similar in terms of properties and weight.

Tell us about the geometry of the frame and fork?

Ours came in Trek's low and stretched H1 fit. 9 Series Madones are also available in a slightly more relaxed H2 fit (see review for details).

How was the bike in terms of height and reach? How did it compare to other bikes of the same stated size?

The H1 fit is fairly low. If your back doesn't like an aggressive position, go for the H2.

Riding the bike

Was the bike comfortable to ride? Tell us how you felt about the ride quality.

Very comfortable. That's one of the bike's key characteristics.

Did the bike feel stiff in the right places? Did any part of the bike feel too stiff or too flexible?

It felt stiff around the bottom bracket and the head tube. The only place I noticed a lack of stiffness was in the handlebar when I was sprinting; there was a small amount of bouncing there when riding hard out of the saddle with my hands on the drops.

How did the bike transfer power? Did it feel efficient?

Yes, it felt efficient around the bottom bracket and through the centre of the bike.

Was there any toe-clip overlap with the front wheel? If so, was it a problem?

A small amount. Not a problem.

How would you describe the steering? Was it lively, neutral or unresponsive? Neutral to lively.

Tell us some more about the handling. How did the bike feel overall? Did it do particular things well or badly?

I enjoyed descending on this bike thanks to the IsoSpeed decoupler and good manoeuvrability.

Which components had the most effect (good or bad) on the bike's comfort? would you recommend any changes?

The main feature that leads to the bike's comfort is the frame's IsoSpeed decoupler.

Which components had the most effect (good or bad) on the bike's stiffness? would you recommend any changes?

I thought the handlebar could have been stiffer, but it's proprietary. I'd only want to change it if I was a sprinter.

Which components had the most effect (good or bad) on the bike's efficiency? would you recommend any changes?

The wheel stiffness is good and the same goes for the chainset.

Rate the bike for efficiency of power transfer:
Rate the bike for acceleration:
Rate the bike for sprinting:

I thought the handlebar could have done with being stiffer for sprinting.

Rate the bike for high speed stability:
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Rate the bike for climbing:

The drivetrain

Rate the drivetrain for performance:
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Rate the drivetrain for value:

Wheels and tyres

Rate the wheels and tyres for performance:
Rate the wheels and tyres for durability:
Rate the wheels and tyres for weight:
Rate the wheels and tyres for comfort:
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Rate the controls for performance:
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Your summary

Did you enjoy riding the bike? Yes

Would you consider buying the bike? If I had the money, no doubt about it.

Would you recommend the bike to a friend? Yes

Rate the bike overall for performance:
Rate the bike overall for value:

Use this box to explain your score

This exceptional bike boasts some novel tech that really moves the ride forward. So many bikes are simply variations on a theme, but Trek has brought genuinely new tech first to the Domane and now to the Madone. This bike is a clear 9 for performance.

Unfortunately, all that tech adds to the price and it'll take a while to trickle down to more affordable levels.

Overall rating: 9/10

About the tester

Age: 43  Height: 190cm  Weight: 75kg

I usually ride:   My best bike is:

I've been riding for: Over 20 years  I ride: Most days  I would class myself as: Expert

I regularly do the following types of riding: commuting, club rides, sportives, general fitness riding


Mat has been in cycling media since 1996, on titles including BikeRadar, Total Bike, Total Mountain Bike, What Mountain Bike and Mountain Biking UK, and he has been editor of 220 Triathlon and Cycling Plus. Mat has been technical editor for over a decade, testing bikes, fettling the latest kit, and trying out the most up-to-the-minute clothing. We send him off around the world to get all the news from launches and shows too. He has won his category in Ironman UK 70.3 and finished on the podium in both marathons he has run. Mat is a Cambridge graduate who did a post-grad in magazine journalism, and he is a winner of the Cycling Media Award for Specialist Online Writer. Now over 50, he's riding road and gravel bikes most days for fun and fitness rather than training for competitions.

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