SRAM DUB Wide BB30 Ceramic Bottom Bracket - BB30 68/73mm 73 Road-Wide Black Model=32mm Crown/Steerer/Upper Tube Assembly a wider range of rebound

a wider range of rebound adjustment

Compatible with most 8/9/10/11/12-speed bike chains and precision-machined for superior accuracy

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SRAM DUB Wide BB30 Ceramic Bottom Bracket - BB30 68/73mm 73 Road-Wide Black Model=32mm Crown/Steerer/Upper Tube Assembly a wider range of reboundSRAM DUB Wide BB30 Ceramic Bottom Bracket BB30 68 73mm 73 Road Wide Black. The game changing DUB family goes ceramic. 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. This is a whole other level in bottom bracket friction reduction thanks to its high efficiency ceramic bearings. Whats more the