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 Width (mm) | 68 |
| Spindle Interface Type | Shimano Hollowtech II |
| Defined Color | Black |