Front thin bicycle hub axle with dust cap and umbrella type cone, model SC-HA-103, sized 5/16" X 5 1/2" for the front wheel hub. It is supplied S/O/10 with dust cap, spacer and flange nut; the dust cap helps keep dirt out of the hub bearings. The threaded axle carries cones, dust caps and nuts at both ends. Finish is BNP, ZP or Black. Catalogue code: SC-HA-103