Overview
Features
Specs
Sizing
Geometry

It's just too perfect. - Madone SL 7 Gen 8 - 2025

You’re seeking a top-tier race bike that excels in aerodynamics, comfort, and a lightweight design. You appreciate the advantages of carbon but prefer a cost-effective 500 Series OCLV frame that offers excellent value with minimal weight gain. You want high-performance components where they matter most, such as carbon wheels and a Shimano Ultegra Di2 electronic drivetrain.

Technology you get

This bike features an ultra-light 500 Series OCLV Carbon frame with aerodynamic tubing and IsoFlow technology for enhanced comfort. It comes with a 2x12 Shimano Ultegra Di2 drivetrain, offering customizable and rapid shifting. The setup is completed with Bontrager Aeolus Pro 51 carbon wheels, which are tubeless-ready for added convenience.

In general

The Madone SL 7 Gen 8 is ideal for those who need race-day performance while staying mindful of their budget. It strikes a perfect balance between cost and performance, featuring a 500 Series OCLV carbon frame and upgraded components like carbon wheels and electronic shifting for optimal results.

 

Why would you like it?

The Madone SL 7 Gen 8 is ideal for those who need race-day performance while staying mindful of their budget. It strikes a perfect balance between cost and performance, featuring a 500 Series OCLV carbon frame and upgraded components like carbon wheels and electronic shifting for optimal results.

the walktrough

Our lightest Madone SL Disc ever

Our lightest Madone SL Disc ever

The new lightweight and aerodynamic tube shaping, combined with the cost-effective 500 Series OCLV Carbon, makes the Gen 8 the lightest Madone SL Disc f/s to date and the perfect choice for climbing.

 
Redefines what fast looks like

Redefines what fast looks like

Revolutionizing speed, the new Full System Foil aero tube shapes enhance airflow across the entire bike while preserving the lightweight design that climbers love. Every aspect of the bike's rider system has been meticulously engineered and thoroughly tested to excel in all conditions.

 
80% more vertically compliant IsoFlow

80% more vertically compliant IsoFlow

We’ve enhanced our race-oriented comfort technology to offer 80% more vertical compliance, making it lighter and providing nearly double the comfort. This means you can ride longer and stronger with less fatigue.

 

*Please note – spec applies to all sizes unless listed separately

Frame
500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical 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, 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 125 kg (275 lb).

Shifter
Shimano Ultegra R8170 Di2, 12-speed
*Crank
Size: XS, S
Shimano Ultegra R8100, 50/34, 165 mm length
Size: M
Shimano Ultegra R8100, 50/34, 170 mm length
Size: ML, L
Shimano Ultegra R8100, 50/34, 172.5 mm length
Size: XL
Shimano Ultegra R8100, 50/34, 175 mm length
Bottom bracket
Praxis, T47 threaded, internal bearing
Cassette
Shimano Ultegra R8101, 11-34, 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
Skewer rear
Bontrager Switch chamfered thru axle, removable lever
Tyre
Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 170 tpi, 700x28 mm
Tyre part
Bontrager TLR sealant, 180 ml/6 oz
Max tyre size
32 mm (as measured, see manual for details)

*Saddle
Size: XS, S
Bontrager Aeolus Elite, austenite rails, 155 mm width
Size: M, ML, L, XL
Bontrager Aeolus Elite, austenite rails, 145 mm width
*Seatpost
Size: XS, S, M, XL
Madone aero carbon seat post, 0 mm offset, short length
Size: ML, L
Madone aero carbon seat post, 0 mm offset, long length
*Handlebar
Size: XS
Bontrager RSL Aero, OCLV Carbon, 31.8 mm, Di2 routing, 80 mm reach, 124 mm drop, 35 cm control width, 38 cm drop width
Size: S
Bontrager RSL Aero, OCLV Carbon, 31.8 mm, Di2 routing, 80 mm reach, 124 mm drop, 37 cm control width, 40 cm drop width
Size: M, ML, L
Bontrager RSL Aero, OCLV Carbon, 31.8 mm, Di2 routing, 80 mm reach, 124 mm drop, 39 cm control width, 42 cm drop width
Size: XL
Bontrager RSL Aero, OCLV Carbon, 31.8 mm, Di2 routing, 80 mm reach, 124 mm drop, 41 cm control width, 44 cm drop width
*Stem
Size: XS
Trek RCS Pro, -7-degree, 80 mm length
Size: S, M
Trek RCS Pro, -7-degree, 90 mm length
Size: ML, L
Trek RCS Pro, -7-degree, 100 mm length
Size: XL
Trek RCS Pro, -7-degree, 110 mm length
Brake rotor
Shimano CL800, CentreLock, 160 mm
Rotor size
Max brake rotor sizes: 180 mm front, 160 mm rear

Size

XS

S

M

ML

L

XL

Rider Height

143 - 158 cm

4'8" - 5'2"

158 - 162 cm

5'2" - 5'4"

162 - 173 cm

5'4" - 5'8"

173 - 179 cm

5'8" - 5'10"

179 - 188 cm

5'10" - 6'2"

188 - 213 cm

6'2" - 7'0"

Inseam

67 - 74 cm

26" - 29"

74 - 76 cm

29" - 30"

76 - 81 cm

30" - 32"

81 - 84 cm

32" - 33"

84 - 88 cm

33" - 35"

88 - 100 cm

35" - 39"

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