3/16" Ceramic Silicon Nitride Balls

3/16" or 4.762mm ceramic balls made from pure silicon nitride. Price is for one ball. Used in precision applications including in bicycles or anywhere where high strength, low friction, low rotational mass and high speed is required.

These 3/16" ceramic balls will fit most bicycle front hubs and some headsets.  These ceramic balls will fit Campagnolo headsets specifically and the following Campagnolo front hubs: CD, Chorus, Athena. These ceramic balls will also fit Shimano front hubs and Shimano headsets 7400, 6207, M900, M901, M902.  Most bicycle front hubs use ten 3/16" balls on each side.