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. Ceramic bearings. For installation/removal must use the Praxis T47 I.B. Shimano tool