FSA MegaExo BSA Threaded Bottom Bracket
Bottom Bracket: Fits a BSA threaded 73 bottom-bracket shell; Takes a 24 mm spindle crank spindle. 1 verified variant.
What the checker says114will 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. 5997 produced no finding of any kind.
Will not fit
Bb shell, Frame. 59 more findings from the same check, on up to 1 of the 258 verified frames each.
Bb spindle, Crankset. 55 more findings from the same check, on up to 1 of the 98 verified cranksets each.
Open a variant in the builder to see the ones that apply to your own parts.
$48.00 MSRP·50 g
What the maker states
- Shell
- Fits a BSA threaded 73 bottom-bracket shell
- Spindle
- Takes a 24 mm spindle crank spindle
Source
Source: the maker’s page. Last checked 2026-08-24.
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.
- 5DEV R-SPEC Trail/Enduro Cranks (Crankset) Will not fit
- 9point8 Fall Line (Dropper Post) No conflicts found
- 9point8 Stout (31.8, 30mm) (Stem) No conflicts found
- ACID SLX 30 front (Front Wheel) No conflicts found
- ACID SLX 30 rear (Rear Wheel) No conflicts found
- Acros ZS44/ZS56 (Headset) No conflicts found
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.