SRAM DUB Wide BB30 Ceramic Bottom Bracket - BB30 68/73mm 73 Road-Wide Black MFPN=RR9100/36/4BK Compatible with Shimano MTB rear

Compatible with Shimano MTB rear derailleurs designed for 9 or fewer cogs

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Mfg Size 54 Defined Color Black Rear Axle QR x 135mm Wheel Size 700c Platform Cross Check Frame Material Steel Frame Type Rigid Front Axle QR x 100mm Color Black TT (Effective) 56 TT (Effective) 560 Brake Type Rim Fork Material Steel Fork Type Rigid

SRAM DUB Wide BB30 Ceramic Bottom Bracket - BB30 68/73mm 73 Road-Wide Black MFPN=RR9100/36/4BK Compatible with Shimano MTB rearSRAM 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