SHIMANO XTR Bottom Bracket with smoot rotation and better sealing performance, the SHIMANO XTR bottom bracket is durable for mountain bike usage. It is available in threaded and press-fit options.
SPECIFICATIONS:
| Model No. | SM-BB93 |
| Series | XTR M9000 Series |
| Weight | 73g |
| HOLLOWTECH II Bottom Bracket | Yes |
| Small Bearing | Yes |
