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SRAM PowerSpline BB-PS-A1 Bottom Bracket

Bottom Bracket: Fits a BSA threaded 73 bottom-bracket shell; Takes a powerspline crank spindle. 1 verified variant.

What the checker says154will not fit

Run variant by variant through the mountain bike builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.

Checked against 6111 verified mountain bike parts in this catalog. 5956 produced no finding of any kind.

Will not fit

  • Will not fiterror · CranksetBB spindle mismatch: SRAM PowerSpline BB-PS-A1 takes a powerspline spindle but Shimano CUES FC-U6000-1 is 24 mm spindle. On 2 of the 98 verified cranksets in this catalog.

Bb spindle, Crankset. 94 more findings from the same check, on up to 1 of the 98 verified cranksets each.

Bb shell, Frame. 59 more findings from the same check, on up to 1 of the 258 verified frames each.

Open a variant in the builder to see the ones that apply to your own parts.

The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.

$35.00 MSRP·363 g

What the maker states

Shell
Fits a BSA threaded 73 bottom-bracket shell
Spindle
Takes a powerspline crank spindle
Source

Source: the maker’s page. Last checked 2026-07-16.

Checked against

The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.

6 of 1879 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.

Where this sits

Previous: SRAM DUB T47SRAM PowerSpline BB-PS-A1 is the last model on that list.All SRAM bottom bracketsOpen a variant in the builder to see the ones that apply to your own parts