New 30mm carbon dust cap with built-in spacer from the Cannondale KP203 headset.
The dust cap fits 2014+ SuperSix, SuperSix EVO, SuperX, CAAD10, CAAD8, Synapse ,Slice and CAADX frames.
It requires the 5mm Cannondale KP253 underneath. The KP253 is not included.
Note: Cannondale calls this a 30mm dust cap, but our own meassurement says it is 28mm.