Zipp Carbon Headset Spacer Set Overshoes So far the most advanced

So far the most advanced racing chemical formulation for road use

the Radical S boasts a larger sweet spot than the standard Mid plus Radical

Multi-layer Carbon Fiber

The tubeless-ready configuration provides extra suppleness and better speed to a unique casing in its category

Zipp Carbon Headset Spacer Set Overshoes So far the most advancedPrecise spacers keep your headset tight, and provide correct bike handling and component life. Lightweight and precisely parallel, Zipp carbon headset spacers are precision ground to keep your fork secure through every twist, turn and bump in the road. ZIPP Headset Spacer Set, UD Carbon (4mm x 2, 8mm x 1, 12mm x 1, 30mm x 1) SRAM Model ID: AC ZHSC A1