Trek Madone SL 6 Gen 8 - Gloss Dark Star/Matte Deep Smoke

The Madone SL 6 Gen 8 is an incredibly lightweight aero superbike that brings ultimate racing performance to a competitive price point. By pairing the revolutionary Full System Foil tube profiles and comfort-inducing IsoFlow seat tube technology of Trek’s top-tier racing frame with a highly economical 500 Series OCLV Carbon layup, it slices through the wind while remaining exceptionally compliant. Outfitted with lightning-fast Shimano 105 Di2 wireless electronic shifting, deep-section Bontrager Aeolus Elite 50 carbon wheels, and a smart, hidden-cable RCS headset system, the Madone SL 6 is built for pure speed, clean cockpit ergonomics, and podium-chasing reliability.

Specifications

Frameset & Aerodynamics

• Frame: 500 Series OCLV Carbon, revolutionary Full System Foil aerodynamic tube shaping, integrated compliance-enhancing IsoFlow seat tube architecture, RCS Headset System, electronic or mechanical internal routing pathways, removable aero chain keeper, T47 bottom bracket, flat-mount disc brake interface, Universal Derailleur Hanger (UDH), 142x12mm thru-axle setup.

• Fork: Madone Gen 8 full carbon construction, aerodynamic tapered carbon steerer tube, fully integrated internal brake line routing, flat-mount disc, stable 12x100mm chamfered thru-axle layout.

• Frame Clearance: High-volume clearance optimized for up to 32mm maximum measured tyre width.

Drivetrain & Electronic Shifting (Shimano 105 Di2 2x12)

• Shifters: Shimano 105 Di2 (R7170), wireless electronic dual-control 12-speed levers.

• Front Derailleur: Shimano 105 Di2 (R7150), braze-on mount, fast down-swing electronic actuation.

• Rear Derailleur: Shimano 105 Di2 (R7150) 12-speed with maximum 36T cog capacity.

• Cassette: Shimano 105 (7101), 12-speed, versatile 11-34T climbing ratio profile.

• Chain: Shimano SLX (M7100), 12-speed hyper-glide engineering.

• Crankset: Shimano 105 (R7100), compact 50/34T chainring setup.

  • Crank Arm Length by Size: XS, S: 165mm | M, ML: 170mm | L, XL: 172.5mm.

• Bottom Bracket: Praxis T47 threaded, premium internal bearing layout.

• E-System Battery: Shimano BT-DN300 internal seatpost lithium-ion battery.

• Drivetrain Tuning Limits: Maximum 1x chainring limit: 54T | Maximum 2x chainring limit: 56/43T.

Brakes & Control

• Braking System: Shimano 105 hydraulic flat-mount road disc brake calipers.

• Rotors: Shimano CL700 CentreLock disc rotors; 160mm front / 160mm rear (Maximum permitted safety limits: 180mm front, 160mm rear).

Wheels & High-Performance Tyres

• Front Wheel: Bontrager Aeolus Elite 50, premium OCLV Carbon rim, Tubeless Ready (TLR), 50mm deep aero profile, 100x12mm thru-axle interface.

• Rear Wheel: Bontrager Aeolus Elite 50, premium OCLV Carbon rim, Tubeless Ready (TLR), 50mm rim depth, robust Shimano 11/12-speed compatible freehub, 142x12mm thru-axle interface.

• Thru-Axles: Bontrager Switch chamfered thru-axles (rear setup features a convenient removable tool lever).

• Tyres: Bontrager Aeolus Pro, Tubeless Ready (TLR), aramid folding bead, supple 120 TPI casing, 700x28mm low-resistance road profile.

• Included Tubeless Kit: Pre-installed Bontrager TLR rim strips and 180 ml / 6 oz of Bontrager TLR performance liquid tyre sealant.

Cockpit & Ergonomics

• Handlebars: Bontrager Comp alloy, compact 31.8mm clamp, 80mm reach, aerodynamic 121mm drop. Engineered with flared drop widths for optimized forearm positioning:

  • XS: 36cm hoods / 40cm drops

  • S, M: 38cm hoods / 42cm drops

  • ML, L: 40cm hoods / 44cm drops

  • XL: 42cm hoods / 46cm drops

• Handlebar Tape: Trek EcoTack high-traction compound.

• Stem: Trek RCS Pro integrated stem system, -7-degree rise profile.

  • Stem Length by Size: XS: 80mm | S, M: 90mm | ML, L: 100mm | XL: 110mm.

• Seatpost: Madone aero carbon integrated seatpost wedge, 0mm offset design, short length configuration.

• Saddle: Bontrager Aeolus Elite short-nose saddle, high-compliance austenite rails, comfortable 145mm width profile.

Sizing & Structural Weights

• Base Build Weight: 8.16 kg / 17.99 lbs (Measured on a Size ML frame assembly, set up tubeless with TLR sealant, no inner tubes).

• Maximum Weight Capacity: Structural weight limit of 125 kg / 275 lbs total combined mass (includes the combined weight of the bicycle, rider, and all mounted nutrition/on-bike storage cargo).

Please Note: Components and frame specifications are subject to running factory parts substitutions by the manufacturer based on global component availability. Final retail production weights can vary slightly across frame sizing, paint finishes, and secondary protective frame hardware outfitting.