Praxis Works M30 BSA Threaded Bottom Bracket
What the checker says453will 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. 5976 produced no finding of any kind; that is M30 BSA Threaded (68/73 MTN). M30 BSA Threaded (83 DH) clears 5790. Each variant produces 134 to 319 distinct errors and 0 distinct warnings.
Will not fit
- Will not fiterror · CranksetBB spindle mismatch: Praxis Works M30 BSA Threaded (68/73 MTN) takes a 30 mm spindle spindle but Shimano CUES FC-U6000-1 is 24 mm spindle. On 2 of the 98 verified cranksets in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · CranksetBB spindle mismatch: Praxis Works M30 BSA Threaded (83 DH) takes a 30 mm spindle spindle but Shimano CUES FC-U6000-1 is 24 mm spindle. On 2 of the 98 verified cranksets in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · FrameBB shell mismatch: Praxis Works M30 BSA Threaded (83 DH) fits a BSA threaded 83 (DH) shell but Transition Spur Carbon has a BSA threaded 73 shell. On 2 of the 258 verified frames in this catalog. Applies to 1 of 2 variants.
Bb shell, Frame. 302 more findings from the same check, on up to 1 of the 258 verified frames each.
Bb spindle, Crankset. 148 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·100 g
What the maker states
- Shell
- Fits a BSA threaded 73 bottom-bracket shell (on 1 of 2 variants); Fits a BSA threaded 83 (DH) bottom-bracket shell (on 1 of 2 variants)
- Spindle
- Takes a 30 mm spindle crank spindle
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
2 verified variants
| Variant | Shell | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|
| M30 BSA Threaded (68/73 MTN) | Fits a BSA threaded 73 bottom-bracket shell | $48.00 | 100 g | maker’s page | 2026-07-16 | Build with this |
| M30 BSA Threaded (83 DH) | Fits a BSA threaded 83 (DH) bottom-bracket shell | $48.00 | 100 g | maker’s page | 2026-07-16 | Build with this |
Source
Source: each variant links the maker’s own page in the table above. 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.
- 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.