KOGEL

Kogel Ceramic Bottom Bracket T47 Asymmetric GXP Road Seals Black. Introducing the T47A ceramic bottom bracket designed to give you the best of the T47 and BBRight bottom bracket standards.The Asymmetric T47 bottom bracket uses a T47 external cup on the drive side (DS) and T47 internal cup on the non-drive side (NDS).Fitment & InstallationThe T47 Asymmetric bottom bracket standard was introduced on the Factor Ostro VAM and Cervelo R5CX and will fit your favorite crankset on a T47a frame with a 79mm width for Cervelo or a 77.5mm wide bottom bracket shell for Factor.This difference in width falls well into the adjustment range of any crankset. The same bottom bracket can be used for either.Road bearings for road bikes.The Kogel T47A drive side cup can be installed with Park Tool BBT-79 or any 12-notch bottom bracket tool with a nominal outer diameter of 44mm. The non-drive side cup can be installed with any Enduro Torq-Tite compatible tool.