Profile Hub bearing - 6903-52RS



replacement hub bearing for Profile Mini, Totem, Elite, and Madera hubs (or other brands' hubs that use the 6903 bearing
over time, bearing bores can possibly wear out from abuse and or high spoke tension. this bearing should (but not in all cases) solve that issue
oversized 6903-52RS (17mm ID x 30.05mm OD x 7mm W)
the OD is .002 inches larger than a standard bearing
this bearing is identified by a proprietary red seal