The Trek Madone SL 6 AXS Gen 8 2027 brings SRAM Rival AXS wireless electronic shifting to the same 500 Series aero platform, with a power meter included.
WHO THIS BIKE SUITS
You want SRAM's wireless AXS shifting rather than Shimano's Di2.
You want a power meter included without paying extra for one separately.
You want carbon wheels and electronic shifting without SLR pricing.
IF YOU'RE LOOKING FOR SOMETHING DIFFERENT
If you'd rather have Shimano's system at this price point, the SL 6 gives you 105 Di2 instead, no power meter included.
WHERE IT SITS IN THE RANGE
The SL 6 AXS sits alongside the SL 6 — same 500 Series frame and carbon wheels, SRAM Rival AXS wireless shifting with a power meter in place of Shimano 105 Di2.
Full Madone SL range: SL 5 — SL 6 — SL 7.
HOW IT RIDES
IsoFlow comfort
Gen 8's revised IsoFlow — the open seat tube junction that decouples the seatpost from the rear triangle — is confirmed by multiple independent long-term reviews to deliver a genuine 80% increase in vertical compliance over the previous generation, without giving up power transfer or stiffness under hard efforts. Reviewers consistently describe big hits being absorbed with a noticeable amount of give rather than transmitted straight through, with road buzz reduced to a low hum rather than eliminating comfort to chase aero numbers.
Aero and weight
Full System Foil tube shaping carries the same aero profile across the whole Madone Gen 8 range regardless of tier — the SL models get the same aerodynamic shaping as the SLR, just in a more economical carbon layup.
Shifting
SRAM Rival AXS removes cables entirely and gives fully customisable shift button mapping — a genuinely different feel to Shimano's system, and the included power meter is a real bonus at this price.
THE FINAL WORD
The Trek Madone SL 6 AXS Gen 8 2027 is the wireless SRAM option at this tier, with a power meter thrown in. Come in and we'll help you decide between this and the Shimano-equipped SL 6.
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: 500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical 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
Headset: Trek RCS Headset System, integrated, internal cable routing
Bottom bracket: SRAM DUB, T47 threaded, internal bearing
Shifters: SRAM Rival AXS
Rear derailleur: SRAM Rival AXS, 36T max cog
Crank: SRAM Rival AXS E1, 48/35, DUB, 160 mm length
Cassette: SRAM XG-1250, 10-36, 12-speed
Chain: SRAM Rival AXS, flattop, 12-speed
Brakeset: SRAM Rival eTap AXS HRD, hydraulic disc
Rotor: SRAM Paceline, rounded, CentreLock, 160 mm
Wheels: Bontrager Aeolus Elite 50
Tyres: Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 170 tpi, 700x28 mm
Handlebar: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 36 cm control width, 40 cm drop width
Stem: Trek RCS Pro, -7-degree, 80 mm length
Saddle: Bontrager Aeolus Elite, austenite rails, 145 mm width
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.
