2025 Trek Madone SLR 9 Gen 8

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  • Regular price $17,999.99

The Madone SLR 9 Gen 8 is built for dominating the roads with equal parts light weight and aerodynamic speed. It's crafted from our highest-level 900 Series OCLV Carbon that's not only insanely light, but delivers aerodynamic shapes for crushing descents and straightaways. Lightweight IsoFlow frame technology means that Madone doesn't sacrifice comfort for speed. This build comes ready to win with Shimano's top-of-the-line Dura-Ace Di2 drivetrain, carbon wheels, a Trek Aero RSL one-piece carbon bar/stem and RSL Aero Bottles and Cages for more drag reduction.

It's right for you if...

You eat, sleep and breathe racing, and you want the best road race bike we've ever made. You're looking for a trifecta of aerodynamics, comfort and lightweight in a single bike. You're willing to splurge on things that matter, like our highest-level carbon lay-up, best component spec and any detail that will give you the competitive edge on race day.

The tech you get

An insanely light frame made of our highest-level 900 Series OCLV Carbon with aero tubing and IsoFlow comfort technology, and RSL Aero Bottles and Cages that save watts. Shimano's top road group set – Dura-Ace Di2, for lightning-fast shifts that you can customise. A universal derailleur hanger so you can get a replacement from anywhere. Plus, it's topped off with Bontrager Aeolus RSL 51 tubeless carbon wheels and a Trek Aero RSL one-piece bar/stem.

The final word

The Madone SLR 9 Gen 8 is our lightest, most aerodynamic, top-performing Madone, ready to deliver superbike performance absolutely everywhere. Its crafted with a supremely light 900 Series OCLV Carbon frame for rocketing up climbs, aero tube shaping for slicing through windy descents and IsoFlow comfort tech to keep you feeling good through it all. It's spec'd with the top components and doesn't make any compromises.

Why you'll love it

  1. The Revolutionary Full System Foil aero tube shapes redefine what fast looks like and help optimise aerodynamics around the whole bike
  2. It's crafted from our highest-level 900 Series OCLV carbon, which is mind-bogglingly light and stiff where you need the power, and compliant where you crave comfort
  3. Carbon wheels keep weight down and performance up, so you can crush climbs and soar down descents
  4. You get the lightning-fast shifts of Shimano's lightest drivetrain – Dura-Ace Di2
  5. RSL Aero Bottles and Cages make the whole rider system faster to give you even more aerodynamic gains
  6. A new Blendr system on the bar/stem makes it easy to add and remove a daytime running light

Colour Options:

  • Matte/Gloss Carbon Smoke
  • Navy Smoke
  • Carbon Red Smoke
  • Era White

*Please note – spec applies to all sizes unless listed separately


Frame 900 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic-only routing, removable aero chain keeper, 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, 12x100mm chamfered thru axle

Weight ML – 7.08 kg/15.61 lb (with TLR sealant, no tubes)
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).

Battery Shimano BT-DN300
Charger Charging cable included

Shifter Shimano Dura-Ace R9270 Di2, 12 speed
Front derailleur Shimano Dura-Ace R9250 Di2, braze-on, down swing
Rear derailleur Shimano Dura-Ace R9250 Di2, 34T max cog
*Crank Size: XS, S
Shimano Dura-Ace R9200, 52/36, 165 mm length
Size: M
Shimano Dura-Ace R9200, 52/36, 170 mm length
Size: ML, L
Shimano Dura-Ace R9200, 52/36, 172.5 mm length
Size: XL
Shimano Dura-Ace R9200, 52/36, 175 mm length
Bottom bracket Praxis, T47 threaded, internal bearing
Cassette Shimano Dura-Ace R9200, 11-30, 12-speed
Chain Shimano Dura-Ace/XTR M9100, 12-speed
Max. chainring size 1x: 54T, 2x: 56/43

Wheel front Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, 100x12 mm thru axle
Wheel rear Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, Shimano 11/12 freehub, 142x12 mm thru axle
Skewer front Bontrager Switch chamfered thru axle, removable lever
Skewer rear Bontrager Switch chamfered thru axle, removable lever
*Tyre Size: XS, S, M, ML, L, XL
Bontrager Aeolus RSL RD, Tubeless-Ready, cotton construction, aramid bead, 170 tpi, 700x28 mm
Size: XS, S, M, ML, L, XL
Pirelli P Zero Race, 120 tpi, tubeless-compatible, 700x28 mm
Tyre part Bontrager TLR sealant, 180 ml/6 oz
Max tyre size 32 mm (as measured, see manual for details)

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.