Specialized Crux 5 Headset Cover & Transition Spacer Kit for Terra Cockpit Description: Headset transition cover, spacer, and stem cover kit for Specialized Crux 5 bike models equipped with Roval Terra cockpits or stems. Features: Genuine Specialized replacement parts Small stem parts for Crux 5 cockpits Includes: (3) Crux 5 aero plastic headset spacer - 10mm (1) Crux 5 aero plastic headset spacer - 5mm (1) Upper stem transition spacer for Roval Cockpit or Rapide Stem (1) Lower headset transition top cover (adapts Crux 5 frame to spacers) - 7mm height (1) Combined lower headset cover/upper stem transition for slammed set-up