CeramicSpeed BB86 SRAM DUB Bottom Bracket

CeramicSpeed BB86 Sram DUB Bottom Bracket The CeramicSpeed BB86 SRAM DUB Bottom Bracket fits frames with a 41mm diameter BB86 bottom bracket shell; and allows the use of SRAM DUB standard axles with a 28.99mm diameter. The ceramic bearings are not only much lower friction than standard steel bearings; but they also last a lot longer too and have been precision machined for a perfect; creak-free fit.