Phillip type bicycle hub cone, model SC-HA-107, threaded 3/8" X 26 TPI to fit the hub axle. The cone screws onto the axle and forms the bearing race the hub ball bearings run against, setting the wheel bearing adjustment. It is a solid metal cone with an internal thread, a tapered bearing face and a groove ring around the body. Finish options are BNP, ZP or Black.