S-Works Tarmac SL8 Frameset FACT 12r Carbon 2026
The S-Works Tarmac SL8 Frameset is the ultimate foundation for building the fastest road bike in the world. Designed with a relentless focus on aerodynamics, lightweight construction, and ride quality, this frameset delivers uncompromising performance for serious road riders.
At Mackay Cycles, the S-Works Tarmac SL8 Frameset is the go-to choice for riders wanting to build a dream bike with complete control over components, fit, and performance. Whether you're chasing podiums or the ultimate riding experience, this is as good as it gets.
Through real-world race simulations, Specialized’s Ride Science team confirmed the SL8 is faster where it matters most—saving time across climbs, flats, and long-distance efforts. It’s built for speed in every scenario.
Why you'll love it
- World’s fastest race bike platform with unmatched aero, weight, and stiffness balance
- S-Works FACT 12r carbon frame for elite-level performance
- Ultra-lightweight construction starting around 685g (frame)
- Rider-First Engineered™ for consistent handling across all sizes
- 32mm tyre clearance for modern versatility and comfort
- Perfect starting point for a premium custom road build
Performance Highlights
Aero in Everything
Advanced aerodynamic shaping, including the Speed Sniffer nose cone, reduces drag and maximises real-world speed gains.
Minimum Weight, Maximum Speed
Inspired by the Aethos, the SL8 achieves an ultra-light frame weight while maintaining stiffness and aerodynamic efficiency.
Ride Quality Meets Race Performance
Improved stiffness-to-weight and compliance deliver precise handling, strong power transfer, and comfort on longer rides.
Beyond Gender Design
Built for all riders, focusing purely on performance rather than outdated gender-based categories.
Specifications
| 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 |
| Seatpost |
S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset |
| Seat Binder |
Tarmac integrated wedge |
| Headset |
Stem headset spacers kit for SL7 stem & Roval Rapide cockpit use |
| Bottom Bracket |
68mm threaded BSA |
| Brake Mount |
Flat mount disc |
| Frame Weight |
Approx. 685g (frame) |
| Complete Weight |
Approx. 1.38kg (Size 56) |
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