The Tarmac SL8 redefines race bike performance by delivering the fastest combination of aerodynamics, lightweight design, and ride quality ever achieved. After over two decades of development, it’s not just the quickest Tarmac to date—it’s the world’s fastest race bike, proven through real-world race simulations on the routes that matter most.
By blending cutting-edge aero shaping, a dramatically lighter frame, and class-leading stiffness-to-weight, the Tarmac SL8 delivers explosive acceleration, precise handling, and surprising compliance. Rider-First Engineering ensures every size experiences the same elite ride quality, while modern tire clearance and race-proven geometry make it as versatile as it is devastatingly fast.
Key Features
- Ultra-aerodynamic "Speed Sniffer" nose cone and narrow seatpost deliver the lowest drag Tarmac ever
- 685g FACT carbon frame is 15% lighter than SL7 and easily built to the UCI weight limit
- 33% improvement in stiffness-to-weight enhances power transfer and handling precision
- Rider-First Engineered geometry provides consistent performance and ride quality across all sizes
- 32mm tire clearance and increased compliance improve comfort without sacrificing race speed
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
Wheels
- Rims: Roval C38, 21mm internal width carbon rim
- Tyres: S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
Drivetrain
- Crankset: Shimano Ultegra R8100. 52/36t
- Shifters: Shimano Ultegra Di2 R8170, hydraulic disc
- Rear Derailleur: Shimano Ultegra Di2 R8150, 12-speed
- Front Derailleur: Shimano Ultegra Di2 R8150, braze-on
- Chain: Shimano XT M8100, 12-speed w/ quick link
- Cassette: Shimano Ultegra, 12-speed, 11-30t
Components
- Handlebar: Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach
- Stem: Tarmac integrated stem, 6-degree
- Grips: Supacaz Super Sticky Kush
- Brakes: Shimano Ultegra Hydraulic Brake
- Saddle: Body Geometry Power Expert
- Seatpost: S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
Specialized Tarmac Sizing
| 49cm | 52cm | 54cm | 56cm | 58cm | 61cm | |
|---|---|---|---|---|---|---|
| Rider Height (cm) | 155 - 163 | 163 - 170 | 170 - 175 | 175 - 180 | 180 - 188 | 188 - 196 |
| Rider Height (in) | 5'1 - 5'4 | 5'4 - 5'7 | 5'7 - 5'10 | 5'9 - 5'11 | 5'11 - 6'2 | 6'2 - 6'5 |
Product code: 930903
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