2025 Madone SL 7 Gen 8

Madone SL 7 Gen 8 is a race-ready road bike built to give you the best of every world. Its featherweight build lets you soar up climbs, while aero geometry cuts drag on descents and IsoFlow keeps you comfortable through the miles. To give you the best balance of price and performance, it's built with 500 Series OCLV carbon, a two-piece handlebar and stem, and Shimano Ultegra Di2 wireless electronic drivetrain that delivers clean shifts every time, all topped off with carbon wheels for extra lightweight performance.

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, 142x12mm thru axle
Fork	Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100mm chamfered thru axle

Weight	ML - 7.88 kg / 17.38 lbs (with TLR sealant, no tubes)
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).

Shifter	Shimano Ultegra R8170 Di2, 12 speed
Front derailleur	Shimano Ultegra R8150 Di2, braze-on, down swing
Rear derailleur	Shimano Ultegra R8150 Di2, 34T max cog
*Crank	Size: XS, S Shimano Ultegra R8100, 50/34, 165mm length
	Size: M Shimano Ultegra R8100, 50/34, 170mm length
	Size: ML, L Shimano Ultegra R8100, 50/34, 172.5mm length
	Size: XL Shimano Ultegra R8100, 50/34, 175mm length
Bottom bracket	Praxis, T47 threaded, internal bearing
Cassette	Shimano Ultegra R8101, 11-34, 12 speed
Chain	Shimano Ultegra/XT M8100, 12 speed
Max chainring size	1x: 54T, 2x: 56/43

Wheel front	Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, 100x12mm thru axle
Wheel rear	Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, Shimano 11/12-speed freehub, 142x12mm thru axle
Skewer front	Bontrager Switch chamfered thru axle, removable lever
Skewer rear	Bontrager Switch chamfered thru axle, removable lever
Rim	Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready
Tire	Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 170 tpi, 700x28mm
Tire part	Bontrager TLR sealant, 180 ml/6 oz
Max tire size	32mm (as measured, see manual for details)

*Saddle	Size: XS, S Bontrager Aeolus P2 Elite, 155 mm width
*Saddle	Size: M, ML, L, XL Bontrager Aeolus Elite, austenite rails, 145mm width
*Seatpost	Size: XS, S, M Madone aero carbon seatpost, 0mm offset, short length
*Seatpost	Size: ML, L, XL Madone aero carbon seatpost, 0mm offset, long length
*Handlebar	Size: XS Bontrager RSL Aero, OCLV Carbon, 31.8mm, Di2 routing, 80mm reach, 124mm drop, 35cm control width, 38cm drop width
	Size: S Bontrager RSL Aero, OCLV Carbon, 31.8mm, Di2 routing, 80mm reach, 124mm drop, 37cm control width, 40cm drop width
	Size: M, ML, L Bontrager RSL Aero, OCLV Carbon, 31.8mm, Di2 routing, 80mm reach, 124mm drop, 42cm width
	Size: XL Bontrager RSL Aero, OCLV Carbon, 31.8mm, Di2 routing, 80mm reach, 124mm drop, 41cm control width, 44cm drop width
*Stem	Size: XS Trek RCS Pro, -7 degree, 80mm length
	Size: S, M Trek RCS Pro, -7 degree, 90mm length
	Size: ML, L Trek RCS Pro, -7 degree, 100mm length
	Size: XL Trek RCS Pro, -7 degree, 110mm length
Brake rotor	Shimano CL800, centerlock, 160mm
Rotor size	Max brake rotor sizes: 180mm front, 160mm rear