HUB BODY BEARING
These are replacement bearings for all Profile BMX, MTB, TRACK and Madera hub shells. They are sealed and self-lubricating.
Four types of hub body bearings:
A. 6903 (17MM ID x 30MM OD x 7MM W)
For Profile Mini, Totem, Elite Bmx, Elite MTB, & Classic MTB hubs, as well as Fixed/Track Front Hubs, Madera Front Pilot and Madera Rear V-2 hubs.