The BB47 series bottom brackets are designed to work with T47 frames. They feature our ceramic TBT or Premium bearings and are protected with the highly water-resistant X-seals to keep the bottom bracket running smoothly. 16-notch bearing cups with an outside diameter of 48.5mm, torque wrench compatible 3/8" drive means it is compatible with Token tool TF4630-3SPA-2. The BB47A24 is compatible with Shimano 24mm cranks.
