Shimano BB-MT501 English Bottom Bracket - English 68/73mm Fits Hollowtech II Spindle Black. The Shimano BB-MT501 bottom bracket for Hollowtech II provides better sealing and rotation to delivery high driving efficiency.
- TECH SPECS
| Bottom Bracket Shell I.D. | 1.37 |
| BB/Frame Interface | English |
| BB Shell Width (mm) | 68 |
| BB Shell Width (mm) | 73 |
| Spindle Interface Type | Shimano Hollowtech II |
| Defined Color | Black |
