
SRAM DUB BSA 73mm Ai
The SRAM DUB is a threaded 73mm Cannondale-specific bottom bracket with BSA taps and DUB spindle. It suits Cannondale track bikes and ultra-compact road frames needing BB shell compatibility with modern DUB cranks.
- AM BB DUB English/BSA (MTB) 73mm Cannondale Ai
- SRAM Model ID: BB-DUB-BSA-A1
Pre-order — expected in stock September 11, then ships direct to you.
Pairs well with

SRAM DUB BSA 73mm Ai
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