Brand new Shimano sm-bb72-41b. Shimano SM-BB72-41B is a pressfit bottom bracket for use with all Shimano’s Hollowtech II cranksets. Thanks to its small ball bearings, weight is saved. This bottom bracket also has an axle diameter of 24 mm (Hollowtech II), which has proven to be optimal in terms of stiffness and rotational efficiency.
Specifications:
- Brand new
- For pressfit BB86
- Shell Diameter: 41 mm
- Shell Width: 86.5 mm
- Axle Diameter: 24 mm









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