Sugino T47in Steel Bearing BB for TREK
High-quality BB set fully compatible with T47 internal type BB shell of 85.5～86.5mm frames such as New Madone, Emonda & Domane. Sugino OX series and Shimano hollowtech Ⅱ cranks (DURA-ACE, ULTEGRA, 105) work perfectly with the BB.
Frame standard : T47 Internal
BB shell width : 85.5～86.5mm
(T47 Internal standard is used on TREK, COLNAGO, LOOK, etc.)
Special dust & waterproof structure ensures smooth rotation and longevity of ceramic bearings.