Specialized - S-Works Tarmac SL8 SRAM RED AXS - Size 54 - Gloss Redsky White Impasto

The S-Works Tarmac SL8 is the fastest race bike ever built — a perfect balance of aerodynamics, lightweight engineering, stiffness, and ride comfort. After eight generations and more than two decades of development, it redefines what’s possible on the road.

With its cutting-edge FACT 12r carbon frame, groundbreaking aero innovations like the Speed Sniffer nose cone, and the featherweight performance of the SRAM RED AXS groupset with integrated power meter, the SL8 delivers unmatched speed, precision handling, and comfort across any terrain.

Key Highlights

World’s Fastest Race Bike: 16.6s faster over 40km, 128s faster over Milan–San Remo, 20s faster on the Tourmalet climb (vs SL7).

Aero Where It Matters: Optimized leading-edge design, Speed Sniffer head tube, and narrow aero seatpost for reduced drag.

Ultra Lightweight: 685g FACT 12r carbon frame — 15% lighter than SL7. Easily built at UCI minimum with full aero setup.

Race-Proven Geometry: Legendary Tarmac handling with 33% improved stiffness-to-weight and Rider-First Engineering™.

Unmatched Comfort: 6% more compliance than SL7 for a smoother ride without compromising responsiveness.

Premium Build: Full SRAM RED AXS groupset (with power meter), Roval Rapide CLX III tubeless-ready wheels, and Roval Rapide integrated cockpit.

Technical Specifications

Frameset

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

Fork: S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc

Drivetrain & Brakes

Shift Levers: SRAM RED AXS, hydraulic disc

Front Derailleur: SRAM RED AXS, braze-on

Rear Derailleur: SRAM RED AXS E1

Crankset: SRAM RED AXS Power Meter, 48/35T

Cassette: SRAM RED XG-1290, 12-speed, 10–33T

Chain: SRAM RED 12-speed

Bottom Bracket: SRAM DUB BSA 68

Brakes: SRAM RED AXS hydraulic disc (front & rear)

Wheels & Tires

Front Wheel: Roval Rapide CLX III, 51mm depth, tubeless, carbon, 21mm internal width, Roval LF18-F hub

Rear Wheel: Roval Rapide CLX III, 48.5mm depth, tubeless, carbon, 21mm internal width, Roval LF19-R hub

Front Tire: S-Works Turbo TLR Race, 700x28c

Rear Tire: S-Works Turbo TLR Race, 700x28c

Inner Tubes: Standard 80mm PV

Cockpit

Handlebars/Stem: Roval Rapide Integrated Cockpit

Tape: Supacaz Super Sticky Kush

Saddle: S-Works Power with Mirror

Seatpost: S-Works Tarmac SL8 Carbon, FACT Carbon, 15mm offset

Seat Binder: Tarmac integrated wedge

Weight

Complete Bike (Size 56): 6.62 kg (14 lb 9.5 oz)

Geometry (selected, size 56)

Stack: 565 mm

Reach: 395 mm

Top Tube (horizontal): 563 mm

Head Tube Length: 157 mm

Head Tube Angle: 73.5°

Seat Tube Length: 494 mm

Seat Tube Angle: 73.5°

BB Drop: 72 mm

Chainstay Length: 410 mm

Wheelbase: 991 mm

Standover Height: 786 mm

Tire Clearance: Up to 32 mm

Why Choose the Tarmac SL8?

Because speed is everything. With unmatched aerodynamics, minimal weight, and race-proven comfort, the S-Works Tarmac SL8 with SRAM RED AXS is engineered to make every watt count — from the toughest climbs to the fastest sprints.