SRAM SRAM DUB BSA Bottom Bracket

BSA 73 · 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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Competitive CyclistNew · Checked Sep 20, 2026, 5:22 AM

$30.75In stockVisit store

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Evidence and freshness

Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.

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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-73
Supported crank spindles: DUB