Specialized Tarmac SL8 Headset Top Cover & Spacers Description: Headset transition cover, spacer, and stem cover kit for the Tarmac SL8 when paired with a Tarmac SL7 stem and the Tarmac SL8 aero spacers. Note: Not compatible with Tarmac SL7 stems shorter than 90mm as the Tarmac SL8 aero spacers will contact the cable bat on SL7 stems shorter than 90mm. Features: Genuine Specialized replacement parts Small stem parts for Tarmac SL8 cockpits Includes: (1) Lower headset transition adapter top cover (6.6mm height) (3) Tarmac SL8 aero plastic headset spacer (10mm height) (1) Tarmac SL8 aero plastic headset spacer (5mm height) (1) Upper headset transition adapter top cover (1) Open plastic stem cover for SL7 stem