Wheels Manufacturing BSA Bottom Bracket – Shimano Road ABEC-3 Bearings BLK Cups

Wheels Manufacturing BSA Bottom Bracket - Shimano Road ABEC-3 Bearings Black Cups. Wheels MFG BSA Bottom Brackets for frames that accept English (BSA) threaded bottom brackets TECH SPECS Bottom Bracket Shell I.D. 1.37 BB/Frame Interface English BB Shell Wi