ZTTO Bicycle BSA Bottom Bracket Bike BB External Bearing for 30mm Crankset
BSA30 EXTERNAL BEARING BOTTOM BRACKETS
Each of ZTTO bottom bracket are manufactured for best performance and longest durability.Matching top quality components and know-how, we make sure that every bottom bracket empowers every rider with opportunities to save energy or ride faster.
Weight :About 93g
Crankset:
For φ30/30mm BB386 crankset
Bicycle Frame:
Each of ZTTO bottom bracket are manufactured for best performance and longest durability.Matching top quality components and know-how, we make sure that every bottom bracket empowers every rider with opportunities to save energy or ride faster.
Weight :About 93g
Crankset:
For φ30/30mm BB386 crankset
Bicycle Frame:
For 68mm/73mm φ34.798mm 1.37 in x 24 TPI Frame Shell.
