2026 Tarmac SL8 Comp - Shimano 105 Di2

Tarmac SL8 Comp - Nothing is Faster

Nothing is faster than the Tarmac SL8. Combining aerodynamics, lightweight, and ride quality, it’s built for uncompromising speed. Its FACT 10r carbon frame, Rider-First Engineering, and optimized geometry make it 15% lighter and 33% stiffer than the SL7, delivering the world’s fastest ride. Outfitted with a Shimano 105 Di2 12-speed groupset, DT Swiss R470 wheels, and S-Works Turbo tires for race-ready performance straight out of the box.

Technical Specifications

Frameset

• Frame: Tarmac SL8 FACT 10r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc

• Fork: FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc

Brakes

• Front Brake: Shimano 105 Hydraulic Disc

• Rear Brake: Shimano 105 Hydraulic Disc

Drivetrain

• Rear Derailleur: Shimano 105 Di2 7150, 12-speed

• Front Derailleur: Shimano 105 R7170, braze-on

• Shift Levers: Shimano 105 Di2 R7170

• Crankset: Shimano 105, 12-speed

• Cassette: Shimano 105, 12-speed, 11-34t

• Chain: Shimano SLX M7100, 12-speed

• Bottom Bracket: Shimano Threaded BSA

Wheels & Tires

• Front Wheel: DT Swiss R470, 20mm internal width, tubeless ready, 24h

• Rear Wheel: DT Swiss R470, 20mm internal width, tubeless ready, 24h

• Front Tire: S-Works Turbo, 700x26c

• Rear Tire: S-Works Turbo, 700x26c

• Inner Tubes: Turbo Ultralight, 48mm Presta valve

Cockpit

• Handlebars: Specialized Shallow Drop Alloy, 70x125mm

• Stem: Tarmac Integrated, 6-degree

• SeatPost: S-Works Tarmac SL8 Carbon, 15mm offset

• Saddle: Body Geometry Power Sport, steel rails

• Tape: Supacaz Super Sticky Kush

• Seat Binder: Tarmac Integrated Wedge

Accessories

• Headset: Stem headset spacer kit for SL7 stem & Roval Rapide cockpit use

Product Details

• Product ID: 221578

Weight

• Size: 56

• Weight: 7.68 kg (16 lb, 14.9 oz)