The Sram DUB BSA MTB bottom bracket is specialy designed to install Sram DUB crankset on BSA frame. DUB technology has been imagined to reinforced interface between bottom brackets and cranckset and at the same time simplify compatibilities between cranksets and frames thanks to the 28,99 mm spindle diameter that is compatible with all frame standards.
Sram weight : 76 gr
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