Cannondale SL Headset Compression Expanding Plug w/ 5mm Top Cap K35058

Original Cannondale headset compression wedge with integrated 5mm top spacer for bikes with 1 1/8" upper steer tube.

This kit allows you to get more clamping surface and proper headset bearing preload without adding a separate spacer on top of the stem. Get a cleaner look and easier headset adjustment with this style cap.