Trek Madone SLR 8 AXS Road Bike 2025
Racing is in your DNA, and you're searching for a bike that perfectly balances lightweight design, aerodynamics, and comfort. The Madone SLR 8 AXS Gen 8 is engineered for those who demand the best. With a featherweight 900 Series OCLV Carbon frame featuring aerodynamic tube shaping and IsoFlow comfort technology, this road bike is built to excel in every race. Performance is paramount, so it comes equipped with tubeless carbon wheels and the precise, wireless electronic shifting of SRAM RED AXS.
This race machine boasts an ultra-light frame crafted from our highest-level 900 Series OCLV Carbon, designed with aero tubing and IsoFlow for a comfortable yet fast ride. It includes RSL Aero Bottles and Cages for additional watt savings, and a 2x12 SRAM RED AXS wireless drivetrain with a power meter to enhance your training. The universal derailleur hanger offers convenience, allowing easy replacement anywhere. The bike is finished with Bontrager Aeolus Pro 51 tubeless carbon wheels and a Trek Aero RSL one-piece bar/stem for maximum performance.
The Madone SLR 8 AXS Gen 8 is a purebred race bike, combining the lightest and stiffest carbon lay-up with cutting-edge aerodynamics. Revolutionary Full System Foil aero tube shapes enhance speed, while the ultra-light 900 Series OCLV Carbon frame provides unmatched stiffness and comfort. SRAM RED AXS delivers lightning-fast, customizable shifting, and the integrated RSL Aero Bottles and Cages further optimize your aerodynamics. This bike is designed to dominate, whether you're climbing, descending, or sprinting to the finish line.
Technical Specification
| 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, 12x100 mm chamfered thru axle |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 125 kg (275 lb). |
| Battery | SRAM eTap battery pack (with charger) |
| Shifter | SRAM RED eTap AXS, 12-speed |
| Front derailleur | SRAM RED eTap AXS, braze-on |
| Rear derailleur | SRAM RED eTap AXS, 36T max cog |
| Crank | SRAM RED AXS with power meter, 48/35, DUB |
| Bottom bracket | SRAM DUB, T47 threaded, internal bearing |
| Cassette | SRAM XG-1290, 10-33, 12-speed |
| Chain | SRAM RED D1, 12-speed |
| Max. chainring size | 1x 54T 2x 56/43 |
| Wheel front | Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, 100x12 mm thru axle |
| Wheel rear | Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, Shimano 11/12-speed freehub, 142x12 mm thru axle |
| Skewer front | Bontrager Switch chamfered thru axle, removable lever |
| Skewer rear | Bontrager Switch chamfered thru axle, removable lever |
| Tyre | Bontrager Aeolus RSL RD |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Max tyre size | 32 mm (as measured, see manual for details) |
| Saddle | Bontrager Aeolus P2 Pro, carbon rails |
| Seatpost | Madone aero carbon seat post, 0 mm offset |
| Handlebar/stem (integrated) | Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit |
| Brake rotor | SRAM CentreLine X, CentreLock, round edge, 160 mm |
| Rotor size | Max brake rotor sizes 180 mm front, 160 mm rear |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Trek Madone SLR 8 AXS Road Bike 2025 Sizing
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