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SRAM DUB Bottom Brackets

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Spindle Diameter
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SRAM DUB Bottom Brackets are made for the current generation SRAM and Quarq road and MTB cranksets. These cranks all use SRAM’s new DUB (Durable Unified Bottom Bracket) technology. DUB cranksets use a 28.99 mm spindle and therefore require specific bearings with this internal diameter. We carry the four most common SRAM DUB BBs. If you need a version that you don’t see below, please contact us and we would be happy to order it for you.

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