BuildMyMTB
Prototype - Evolving Daily

Wheels Manufacturing BB30A Outboard ABEC-3 BB for 24mm Cranks (Shimano) Bottom Bracket

Bottom Bracket: Fits a bb30a bottom-bracket shell; Takes a 24mm-road crank spindle. 1 verified variant.

What the checker says89will not fit

Run variant by variant through the gravel 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 829 verified gravel bike parts in this catalog. 740 produced no finding of any kind.

Will not fit

    Rg bb shell, Frame. 68 more findings from the same check, on up to 1 of the 69 verified frames each.

    Rg bb spindle, Crankset. 21 more findings from the same check, on up to 1 of the 32 verified cranksets 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.

    $155.00 MSRP·119 g

    What the maker states

    Shell
    Fits a bb30a bottom-bracket shell
    Spindle
    Takes a 24mm-road crank spindle
    Source

    Source: the maker’s page. Last checked 2026-08-01.

    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 482 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

    Wheels Manufacturing BB30A Outboard ABEC-3 BB for 24mm Cranks (Shimano) is the first model on that list.Next: Wheels Manufacturing T47 OutboardAll Wheels Manufacturing bottom bracketsOpen a variant in the builder to see the ones that apply to your own parts