Jenson USANew · Checked Sep 20, 2026, 3:23 AM
$35.00In stockVisit store
Bottom brackets
SRAM SRAM PowerSpline Bottom Bracket
BSA 73 · 118 mm spindle
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
- Jul 29, 2026
- Compatibility review
- Reviewed Jul 29, 2026
Approved technical sources
- SRAM 2026 spare parts catalogManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
- SRAM BB-PS-A1 product pageManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
- SRAM MTB component compatibility mapManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
Technical data
Specifications
- Supported BB shells
- BSA-73
- Supported crank spindles
- Power Spline
- Spindle length
- 118 mm