Specialized S-Works Tarmac SL8 Frameset - 2025 Size:56 the Knuckleduster also features a

the Knuckleduster also features a tapered internal sleeve that you have to tap onto your handlebar for full engagement

The lightweight tubeless ready clincher wheelset that offers exceptional aero performance thanks largely to the NACA airfoil-optimized spokes

The Shimano  M5100-11c assette offers rider tuned gear steps for maximum cadence control across the varied terrain of mountain biking

Speed-first gravel design – aero-optimised front end paired with a lightweight

2 x E-Tube Wires

Specialized S-Works Tarmac SL8 Frameset - 2025 Size:56 the Knuckleduster also features aThe S Works Tarmac SL8 Frameset is the ultimate starting point for building your dream race bike. Combining record breaking aerodynamics, ultra lightweight design, and unmatched ride quality, its the fastest road bike ever made. Engineered to dominate climbs, flats, and descents alike, the Tarmac SL8 delivers the perfect balance of speed, stiffness, and compliance. Every detail has been refined through real world race simulations, making it 16. 6