BikeHard Challenger C1 Shimano Freehub bodyThe BikeHard Challenger C1 Shimano freehub body is the original freehub that comes on all BikeHard Challenger Carbon wheelsets. Comes as a freehub body, pawls + springs, as well as right side alloy end cap. Once worn out (after thousands or tens of thousands of miles), purchase a new freehub and keep your wheels moving perfectly and quietly.817616022360