Specifications

Original Cannondale tapered headset for 1 1/8" to 1 1/4" (IS42 to IS47) headtubes. Fits a variety of Cannondale frames including SuperSix EVO generation 1 and 2, 2014+ Synapse Carbon, among many others. Headset includes: Glossy carbon conical spacer (47mm OD, 25mm tall, aluminum top plate (KP253/), plastic upper bearing wedge, IS42 upper bearing, IS47 lower bearing, lower bearing seal, crown race, and compression assembly w/ 5mm built in spacer.

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