Cannondale Headset Si IS42 Complete Headset 41.8mm KB002/The Cannondale Headset Si IS42 Complete Headset has everything for a complete replacement headset for many of Cannondale's 1 1/8" threadless SI frames and forks over the years. A dirty, worn, or damaged headset can make for a scary ride. Get an original Cannondale headset and get your steering back under control. Comes with Upper and lower 1 1/8" bearing, Crown race, Wedge for top bearing, and 25mm Carbon conical spacer. Fits many models of Slice, CAAD9, CAAD8, CAAD7, Synapse, and Tandem. Please call Cannondale directly for compatibility questions.680655800080
