The NEW T47 I.B. Shimano BB for installing a Shimano Hollowtech II cranks into a T47 I.B. 85.5mm internal bearing frames.
- For Shimano Hollowtech II cranks only.
- 7075 T6 AL cups | For T47 I.B. 85.5mm road frames.
- Enduro 2437 Steel bearings
- TOOL : Made exclusively for this BB, use our T47 I.B. Shimano tool here.






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