Wheels MFG T47 Threaded Bottom Bracket

T47 bottom brackets for T47 frames. Machined aluminum cups with Angular Contact (A/C) bearings. In AC bearings, all bearing balls are engaged and spread the force over a larger surface area, decreasing friction and minimizing wear.

T47 BB cups are similar to standard BSA threaded cups in that the drive side cup is left-hand thread and the non-drive side cup is right-hand thread. Use a quality grease when installing in steel or aluminum BB shells, and an anti-seize compound compatible with titanium BB shells.