Bottom Brackets

With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life. Optimum power transfer Lightweight maintains...

The Shimano Deore XT Bottom Bracket uses high quality sealed bearings and is offered in threaded and pressfit options Light weight seal structure ...

With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams. Bottom bracket with small ball bearings f...