Shimano Ultegra BB72-41B Press-Fit Bottom Bracket. Shimano Ultegra BB72 BBR60 Hollowtech II Bottom Brackets
- TECH SPECS
| Bottom Bracket Shell I.D. | 41 |
| BB/Frame Interface | BB86 |
| BB Shell Width (mm) | 86 |
| Weight | 69 |
| Spindle Interface Type | Shimano Hollowtech II |
| Defined Color | Black |