ZTTO BSA30 Bottom Bracket BSA 68 73 Threaded Ceramic Bearing BB For 30mm Spindle Crankset Mountain Road Bike

ZTTO 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:
For 68mm/73mm φ34.798mm 1.37 in x 24 TPI Frame Shell

Since the BSA30 cup is larger than other BB, it requires special tool, we strongly recommend buying tool together

Tool Spec

Material: High-strength aluminum alloy
Weight: ~30g
Drive Interface: 1/2" square drive