FSA ACR Cannondale Systemsix H2651A headset spacer

Maintain your Cannondale Systemsix´s aero performance and clean look with this genuine FSA ACR headset spacer. Designed specifically for the Systemsix and its Aerodynamic Cable Routing (ACR) system, this H2651A replacement part ensures seamless integration. Its split, interlocking design allows for effortless stack height adjustments without disconnecting cables, preserving aerodynamic superiority and enabling a perfect ergonomic fit. Restore your bike´s wind-cheating profile and ride with confidence