Shimano XT Crankset
What the checker says188will not fit36worth knowing
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 6076 verified mountain bike parts in this catalog. 5771 produced no finding of any kind. Each variant produces 47 distinct errors and 0 distinct warnings.
Will not fit
Bb spindle, Bottom Bracket. 168 more findings from the same check, on up to 1 of the 63 verified bottom brackets each.
Chainring standard, Chain. 20 more findings from the same check, on up to 1 of the 45 verified chains each.
Open a variant in the builder to see the ones that apply to your own parts.
Worth knowing
- Worth knowinginfo · FrameBottom bracket: Shimano XT M8100 uses a 24 mm spindle spindle - pair it with the right BB for this frame's BSA threaded 73 shell (BB usually sold separately). On 194 of the 258 verified frames in this catalog. Applies to 1 of 4 variants.
- Worth knowinginfo · FrameBottom bracket: Shimano XT M8120 Boost 30T uses a 24 mm spindle spindle - pair it with the right BB for this frame's BSA threaded 73 shell (BB usually sold separately). On 194 of the 258 verified frames in this catalog. Applies to 1 of 4 variants.
- Worth knowinginfo · FrameBottom bracket: Shimano XT M8120 Boost uses a 24 mm spindle spindle - pair it with the right BB for this frame's BSA threaded 73 shell (BB usually sold separately). On 194 of the 258 verified frames in this catalog. Applies to 1 of 4 variants.
- Worth knowinginfo · FrameBottom bracket: Shimano XT M8130-1 uses a 24 mm spindle spindle - pair it with the right BB for this frame's BSA threaded 73 shell (BB usually sold separately). On 194 of the 258 verified frames in this catalog. Applies to 1 of 4 variants.
- Worth knowinginfo · FrameBottom bracket: Shimano XT M8100 uses a 24 mm spindle spindle - pair it with the right BB for this frame's PressFit 92 shell (BB usually sold separately). On 37 of the 258 verified frames in this catalog. Applies to 1 of 4 variants.
- Worth knowinginfo · FrameBottom bracket: Shimano XT M8120 Boost 30T uses a 24 mm spindle spindle - pair it with the right BB for this frame's PressFit 92 shell (BB usually sold separately). On 37 of the 258 verified frames in this catalog. Applies to 1 of 4 variants.
- Worth knowinginfo · FrameBottom bracket: Shimano XT M8120 Boost uses a 24 mm spindle spindle - pair it with the right BB for this frame's PressFit 92 shell (BB usually sold separately). On 37 of the 258 verified frames in this catalog. Applies to 1 of 4 variants.
- Worth knowinginfo · FrameBottom bracket: Shimano XT M8130-1 uses a 24 mm spindle spindle - pair it with the right BB for this frame's PressFit 92 shell (BB usually sold separately). On 37 of the 258 verified frames in this catalog. Applies to 1 of 4 variants.
Bb advisory, Frame. 28 more findings from the same check, on up to 13 of the 258 verified frames each.
Open a variant in the builder to see the ones that apply to your own parts.
$185.00 to $210.00 MSRP·624 to 641 g
What the maker states
- Bottom bracket
- Bottom-bracket interface 24 mm spindle
- Chainline
- 55 mm (on 2 of 4 variants); 52 mm (on 1 of 4 variants); 56.5 mm (on 1 of 4 variants)
- Ring standard
- Chainring standard standard 12-speed
- Speeds
- 12-speed (rear index count the maker rates it for)
- Ring
- Chainring 32 teeth (on 3 of 4 variants); Chainring 30 teeth (on 1 of 4 variants)
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
4 verified variants
| Variant | Chainline | Ring | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|---|
| XT M8100 (2019) | 52 mm | Chainring 32 teeth | $200.00 | 624 g | maker’s page | 2026-07-13 | Build with this |
| XT M8120 Boost (2019) | 55 mm | Chainring 32 teeth | $185.00 | 632 g | maker’s page | 2026-07-10 | Build with this |
| XT M8130-1 (2019) | 56.5 mm | Chainring 32 teeth | $210.00 | 641 g | maker’s page | 2026-08-15 | Build with this |
| XT M8120 Boost 30T (2019) | 55 mm | Chainring 30 teeth | $185.00 | 634 g | maker’s page | 2026-07-17 | Build with this |
The rest of what the maker states6 not published
6 further fields the checker looks for are not published by Shimano, so we leave them blank rather than estimate them, and those 6 checks stay silent on this crankset. They are chain width, speeds rated, front rings, ring mount as shipped, ring bcd as shipped and ring bolt count as shipped. Each is recorded as “not stated by the maker (not checked)”.
Source: each variant links the maker’s own page in the table above. Last checked 2026-07-10 to 2026-08-15.
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.
- 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
- Acros ZS56/ZS56 (Headset) No conflicts found
6 of 1833 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.