Product Info
Details + Specs
Model Summary
Nothing is faster than the Tarmac SL8, thanks to a combination of aerodynamics, low weight, and ride quality previously thought impossible. After eight generations and over two decades of development, it's more than the fastest Tarmac ever — it's the world's fastest race bike. This Tarmac SL8 Frameset brings the full race platform within reach with a FACT 10r Carbon chassis: the same Rider-First Engineered™ tuning, Speed Sniffer aero shaping and race-proven geometry as the S-Works version, in a frame that's a genuinely accessible entry point into the Tarmac SL8 platform. Through race-simulation testing against real-world data, Specialized's Ride Science team found the Tarmac SL8 to be the fastest race bike ever made on the routes that matter — 16.6 seconds faster over 40km, 128 seconds faster over Milan-San Remo, and 20 seconds faster up the legendary Tourmalet climb.
Key Highlights
- FACT 10r Carbon frame: a Rider-First Engineered™ chassis at 780 grams (size 56) — heavier than the flagship FACT 12r layup by less than 100g, while sharing the same aero shaping, geometry and ride quality.
- Speed Sniffer aero shaping: the same repositioned steer tube and sharper head tube profile as the S-Works frameset, for genuine real-world aero gains.
- Race-proven handling: World Championship-proven Tarmac geometry, unchanged from the S-Works version, so you get the same handling at a lower entry price.
- Narrow aero seatpost with integrated wedge: a UCI-legal, low-drag S-Works FACT Carbon post keeps dirty air flowing cleanly around the legs.
- 32mm tyre clearance: genuine room for wider rubber without sacrificing the SL8's race-bike handling.
- Ready to build: 68mm threaded bottom bracket and flat-mount disc brakes for simple, no-hassle integration into your own build.
Technical Specifications
- Frame: FACT 10r Carbon, Rider First Engineered™, 780g (size 56)
- Fork: FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc
- Headset: Fully integrated, tapered steerer, matching the S-Works Tarmac SL8 frameset headset standard
- Bottom Bracket: BSA, 68mm threaded
- Seatpost: S-Works Tarmac SL8 Carbon, FACT Carbon, 15mm offset
- Seat Binder: Integrated wedge
- Max Tyre Clearance: 32mm
- Brakes: Flat-mount disc, front and rear
- Dropouts/Axles: 12x142mm rear thru-axle, 12x100mm front thru-axle
- Frame Weight: 780g (size 56)