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On the Road: Trek Madone Gen 8 in Review

On the Road: Trek Madone Gen 8 in Review

23.06.25 07:18 1.586Text: Can (translated by AI)Photos: GabriwaWide tires and legal gray areas be gone: For Can, the Trek Madone test bike came at just the right time to leave the gravel crime behind and trade it for real speed.23.06.25 07:18 1.657

On the Road: Trek Madone Gen 8 in Review

23.06.25 07:18 1.657 Can (translated by AI) Gabriwa
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Wide tires and legal gray areas be gone: For Can, the Trek Madone test bike came at just the right time to leave the gravel crime behind and trade it for real speed.23.06.25 07:18 1.657

After years on wide tires, loose terrain, and constantly questioning whether a path was legal, forbidden, or just misleadingly marked, it was time for clear lines: asphalt instead of adventure, speed instead of traction, road bike instead of rattling.

And lo and behold - Timing is everything: Just as the desire for pure speed matured, the new Trek Madone Gen 8 rolled into the editorial office. A fusion of Émonda's light-footedness and Madone's aerodynamics, which will not coincidentally rank among the top 3 bikes in the pro peloton by 2025. It doesn't just replace two predecessors - it surpasses them. Uphill? Check. In the sprint? Double-check. Excuses? From now on, there are none.

 Back on the road - and with style. 

  • On the Road: Trek Madone Gen 8 in Review

Optics & Equipment

The Madone came with everything a modern race bike needs - and a little more: Sram Red AXS, Bontrager Aeolus RSL 51 wheels, integrated aero cockpit. There is already a separate test for the new Red group, so just this much here: The revised levers are a real highlight. Top ergonomics, noticeably longer reach, and a cockpit feeling that fits perfectly into the overall concept. The brakes also perform powerfully: crisp pressure point, whisper-quiet, absolutely controlled - Sram has never been better.

Madone SLR 9 AXS

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, 142x12 mm thru axle Fork** Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100 mm chamfered thru axle
Sizes XS, S, M, ML, L, XL Cassette Sram RED XG-1290 E1, 10-33, 12 speed
Crankset Sram RED AXS E1, power meter, 48/35, DUB Chain Sram RED E1,12 speed
Handlebar Tape Bontrager Brakes Sram RED
Handlebar/Stem Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80 mm reach, 124 mm drop Brake Rotors Sram CL, 160/160 mm
Seatpost Madone aero carbon seatpost, 0 mm offset, short length Bottom Bracket Sram DUB, T47 threaded, internal bearing
Saddle Aeolus RSL, carbon rails, 155 mm width Wheels Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth
Rear Derailleur Sram RED AXS E1, 36T Tires Pirelli P Zero Race, 120 tpi, tubeless compatible, 700x28 mm
Front Derailleur Sram RED AXS E1, braze-on Shift/Brake Levers Sram RED AXS E1

Bontrager? Delivers cleanly as well. The Aeolus RSL 51 effortlessly maintain speed, accelerate easily, and remain reliably predictable even in crosswinds. No wonder—they belong to the top tier of the Trek universe. And even the unassuming EcoTack handlebar tape deserves a mention: grippy, soft, comfortable. Small details, big impact.

 Full equipment, as it should be. 

  • On the Road: Trek Madone Gen 8 in Review

Geometry & Size Selection

Trek has fundamentally revised the geometry of the Madone and now calls it "Road Race." It is based on the former H1.5 geometry, offering a sporty-aggressive riding position – but with more flexibility in size selection. Instead of the previous eight, there are now only six frame sizes. The advantage: fewer overlaps, easier decision-making, optimal fit.

  • On the Road: Trek Madone Gen 8 in Review

With a height of 1.83 m, the test bike in size M fit me very well right away. Thanks to the new levers with extended reach and the well-designed cockpit ergonomics, everything felt very balanced. If I were to buy the bike myself, I would, however, opt for the size M/L.

If you find yourself between two frame sizes, you should definitely take a test ride, as the new geometry allows for some leeway both up and down without sacrificing agility or comfort.

  • On the Road: Trek Madone Gen 8 in Review

In practice

What can I say? Light, stiff, direct. Exactly how you imagine a modern aero racer. The Madone Gen 8 is fast. And not just on paper, but in every turn, with every sprint, and on every climb. It rides uncompromisingly, yet always remains controlled and predictable – a balancing act that Trek masters impressively.

For an aero bike of this class, it is also surprisingly light, which has a positive effect both uphill and in handling. And even though I’m not a technical riding expert, the Madone conveys a confident, stable riding experience even at high speeds. Directional changes are precise and predictable, and anyone who puts pressure on the pedals is immediately rewarded. Whether during intervals, long rides, or a quick after-work spin: the Madone is a lot of fun in every situation.

 Less weight, more speed, and more comfort. 

  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review
  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review
  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review
  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review
  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review

Keep cool, ride powerfully

Can was equipped with the latest SuperGiara collection from Sportful - a line specifically designed for demanding all-road rides, but also well-suited for challenging asphalt adventures.

SuperGiara Logo Jersey 1125044 - 569, Medium
SuperGiara 2 Bib 1125010 Black, Medium
Pro Baselayer Sleeveless 1125039, Medium
Pro Socks 1125030 White, Large

  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review
  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review
  • On the Road: Trek Madone Gen 8 in Review

Review

Of course, there are also a few details that could still be fine-tuned. The bottle cage solution is clearly optimized for aerodynamics, but it takes some getting used to in everyday use. Especially with full-finger gloves, it quickly becomes tight, and on rough terrain, the construction tends to produce occasional rattling noises. If this were my bike: a couple of small rubber strips glued into the holder would probably solve the issue.

A second point concerns the barstem top cover. Its internal mounting clips are somewhat delicate, and if you're not careful during assembly, you might see the part take off faster than you'd like. A more robust solution would be desirable here, especially for a bike in this price range.

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  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review
  • On the Road: Trek Madone Gen 8 in ReviewOn the Road: Trek Madone Gen 8 in Review

And thirdly: Between the rubber covers of the SRAM Red AXS levers and the handlebars or handlebar tape, there is a noticeably large gap. This might be due to the slim aero cockpit unit in combination with the thin handlebar tape; however, this phenomenon has also been observed on other bikes. The ergonomics remain unaffected, but visually the whole thing looks a bit unfinished.

  • On the Road: Trek Madone Gen 8 in Review

Conclusion

Back on the road – and full of joy. Even though the bike world has been drifting towards gravel and all-road for years, a well-thought-out road bike like the Madone Gen 8 impressively shows why classic road bikes will never go extinct.

Anyone who loves to ride fast, appreciates direct feedback, and is looking for a modern road bike without compromises will find it here. Lightweight, stiff, aerodynamic – and overall really well made.

  • On the Road: Trek Madone Gen 8 in Review