SRAM DUB Wide T47 Ceramic Bottom Bracket T47 85.5mm Road Wide Black Right 49 Replaceable grip pins Replaceable grip pins Length 130 Color Green Flange No Lock On No Grip Shift Specific No Defined Color Green Shape Round What’s more the DUB ceramic bottom bracket can help riders save precious rotational energy without sacrificing the kind of robust seals required for real MTB and road racing scenariosHigh efficiency ceramic bearings save riders rotational energy While DUB has been simplifying the game eliminating compatibility frustration and confusion for years the DUB ceramic bottom bracket gives riders an additional option for even more silky smooth performance