Shimano XT BR-M8020 (4-piston) Front Brake
What the checker says20will 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 6082 verified mountain bike parts in this catalog. 6058 produced no finding of any kind.
Will not fit
- Will not fiterror · Front RotorFront rotor too big for the caliper as recorded here: 223mm is larger than 220mm, the largest rotor size this catalog records for the Shimano XT BR-M8020 (4-piston) caliper. The caliper maker's own rotor chart is the place to check. On 5 of the 177 verified rotors in this catalog.
Shifter mount, Shifter. 19 more findings from the same check, on up to 1 of the 53 verified shifters each.
Open a variant in the builder to see the ones that apply to your own parts.
$130.00 MSRP·153 g
What the maker states
- Mount
- Post mount caliper
- Pistons
- 4-piston caliper
- Maximum rotor
- Rotor up to 220 mm
- Lever accepts
- I-Spec II
The rest of what the maker states4 not published
4 further fields the checker looks for are not published by Shimano, so we leave them blank rather than estimate them, and those 4 checks stay silent on this front brake. They are excludes rotor, maximum rotor evidence, design rotor thickness and design rotor thickness maximum. Each is recorded as “not stated by the maker (not checked)”.
Source: the maker’s page. Last checked 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.
- 5DEV R-SPEC Trail/Enduro Cranks (Crankset) No conflicts found
- 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 1862 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.