The Trek Madone SLR 9 AXS Gen 8 2027 is the SRAM-equipped flagship — 900 Series carbon, SRAM RED AXS with power meter, Bontrager's deepest RSL wheels.
WHO THIS BIKE SUITS
You've decided on SRAM RED AXS and want nothing held back.
You want the deepest, fastest Bontrager Aeolus RSL 51 wheels the range offers.
You want a genuine do-it-all race bike that closes the gap with a dedicated climbing bike almost entirely.
IF YOU'RE LOOKING FOR SOMETHING DIFFERENT
If you'd rather have Shimano's system, the SLR 9 gives you the same frame and wheels with Dura-Ace Di2 instead.
If you want a single-chainring setup for varied terrain, the SLR 9 AXS 1x uses the same RED AXS groupset in a 1x configuration.
WHERE IT SITS IN THE RANGE
The SLR 9 AXS sits alongside the SLR 9 — identical flagship frame and wheels, SRAM RED AXS with power meter in place of Shimano Dura-Ace Di2.
Full Madone SLR range: SLR 7 — SLR 7 AXS — SLR 9 — SLR 9 AXS 1x.
HOW IT RIDES
The one-bike-quiver
Gen 8 is confirmed by multiple long-term reviews to close the gap with Trek's dedicated Emonda climbing bike almost entirely, while keeping the Madone's aero advantage — the SLR is genuinely competitive as an all-rounder rather than a pure flat-road aero bike, which wasn't true of previous generations.
IsoFlow comfort
The redesigned IsoFlow seat tube junction delivers a confirmed 80% improvement in vertical compliance over the previous Madone generation — reviewers consistently describe it as taking the edge off rough tarmac without any noticeable loss in power transfer or stiffness under hard efforts, a genuine change of character from the harsher-riding Gen 7.
900 Series carbon
The SLR's 900 Series OCLV Carbon is Trek's highest-grade carbon layup, a genuine step up from the SL tier's 500 Series — lighter and stiffer for the same Full System Foil aero shaping.
Shifting
SRAM RED AXS is SRAM's best road groupset — wireless, fully customisable shift mapping, and a power meter included as standard.
THE FINAL WORD
The Trek Madone SLR 9 AXS Gen 8 2027 is the SRAM flagship — no compromises. Come in and we'll help you weigh RED AXS against Shimano's Dura-Ace on the SLR 9.
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.
Frame: 900 Series OCLV Carbon, Full System Foil aero tube shaping, IsoFlow seat tube compliance, RCS Headset System, electronic routing, T47 BB, flat mount disc, UDH, 142x12 mm thru axle
Fork: Madone Gen 8 one-piece carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100 mm chamfered thru axle
Headset: Trek RCS Headset System, integrated, internal cable routing
Bottom bracket: SRAM DUB, T47 threaded, internal bearing
Shifters: SRAM RED AXS E1
Rear derailleur: SRAM RED AXS E1, 36T max cog
Crank: SRAM RED AXS E1, power meter, 48/35, DUB, 165 mm length
Cassette: SRAM RED XG-1290 E1, 10-33, 12-speed
Chain: SRAM RED E1, 12/13-speed
Battery: SRAM AXS battery pack (with charger)
Brakeset: SRAM RED eTap AXS HRD, hydraulic disc
Rotor: SRAM Paceline X, rounded, CentreLock, 160 mm
Wheels: Bontrager Aeolus RSL 51
Tyres: Bontrager Aeolus RSL RD, Tubeless-Ready, cotton construction, aramid bead, 170 tpi, 700x28 mm
Handlebar: Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80 mm reach, 124 mm drop
Saddle: Bontrager Aeolus RSL or Aeolus RSL AirLoom, carbon rails, 145 mm width (spec varies by production run)
Seatpost: Madone aero carbon seat post, 0 mm offset, short length
Personalised Bike Consultation
Not sure which model is perfect for you? Our expert team at All Ride Now in Midhurst, West Sussex is here to help you choose with confidence.
- Will you be riding mainly on or off-road?
- Do you prefer an upright or sportier riding position?
- Are you looking for longer range, lighter weight, or a more comfortable feel?
Through a friendly consultation – in-store, by phone, live chat or email – we’ll help you narrow down your options and find the bike that best fits your needs.
