ZTTO BSA30 BB68 MTB Road Bike External Bearing Bottom Brackets 68/35MM to BB30/PF30/386 Crankset Axle black

Description

Matching top components and know-how, we make sure that every bottom bracket empowers every rider with opportunities to save energy or ride faster. The special design of the threaded bottom bracket, where the cups are threaded and screwed together inside the frame, ensure that you avoid any creaking sounds . These bearings feature extremely low friction andunmatched lifetime. Dual Denoising O-ring Protect the Frame.