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Bottom brackets
SRAM SRAM DUB BSA Bottom Bracket
BSA 83 · MTB Ai · Standard
Requires companion components
This exact DUB package has a source-specific crank or frame configuration beyond shell and spindle identity; require a reviewed matching companion.
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Aug 6, 2026
- Compatibility review
- Reviewed Aug 6, 2026
Approved technical sources
- SRAM BB-DUB-BSA-A1 current product pageManufacturerSource checked Jul 28, 2026Evidence reviewed Aug 6, 2026
Technical data
Specifications
- Supported BB shells
- BSA-83
- Supported crank spindles
- DUB