EXT Arma V4 Rear Shock
What the checker says2197will not fit288check before you buy120worth 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 5149 verified mountain bike parts in this catalog. 4919 produced no finding of any kind; that is Arma V4 (210x55 std) (2024). Arma V4 (250x67.5 std) (2024) clears 4891. Each variant produces 84 to 104 distinct errors and 12 distinct warnings.
Will not fit
- Will not fiterror · FrameShock mount mismatch: Frame uses a Standard eyelet shock but Shock is Trunnion. On 114 of the 258 verified frames in this catalog. Applies to 12 of 24 variants.
- Will not fiterror · FrameShock mount mismatch: Frame uses a Trunnion shock but Shock is Standard eyelet. On 88 of the 258 verified frames in this catalog. Applies to 12 of 24 variants.
Hardtail shock, Frame. 1344 more findings from the same check, on up to 1 of the 258 verified frames each.
Shock size, Frame. 588 more findings from the same check, on up to 29 of the 258 verified frames each.
Shock stroke short, Frame. 161 more findings from the same check, on up to 12 of the 258 verified frames each.
Shock stroke over, Frame. 102 more findings from the same check, on up to 1 of the 258 verified frames each.
Open a variant in the builder to see the ones that apply to your own parts.
Check before you buy
Package only, Frame. 240 more findings from the same check, on up to 1 of the 258 verified frames each.
Coil approval, Frame. 48 more findings from the same check, on up to 1 of the 258 verified frames each.
Open a variant in the builder to see the ones that apply to your own parts.
Worth knowing
Bundled shock, Frame. 120 more findings from the same check, on up to 1 of the 258 verified frames each.
Open a variant in the builder to see the ones that apply to your own parts.

$1,100.00 MSRP·400 to 565 g
What the maker states
- Eye
- Ranges from Eye-to-eye 185 mm to Eye-to-eye 250 mm (6 distinct values, across 24 of 24 variants)
- Stroke
- Ranges from 47.5 mm to 75 mm (12 distinct values, across 24 of 24 variants)
- Mount
- Standard eyelet (on 12 of 24 variants); Trunnion (on 12 of 24 variants)
- Spring
- coil spring
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
24 verified variants
| Variant | Eye | Stroke | Mount | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|---|---|
| Arma V4 (coil) (2024) | Eye-to-eye 230 mm | 65 mm | Standard eyelet | $1,100.00 | 480 g | maker’s page | 2026-07-22 | Build with this |
| Arma V4 (205x65 trunnion) (2024) | Eye-to-eye 205 mm | 65 mm | Trunnion | $1,100.00 | 470 g | maker’s page | 2026-07-22 | Build with this |
| Arma V4 (coil, 250x75) (2024) | Eye-to-eye 250 mm | 75 mm | Standard eyelet | $1,100.00 | 565 g | maker’s page | 2026-07-22 | Build with this |
| Arma V4 (225x75 trunnion) (2024) | Eye-to-eye 225 mm | 75 mm | Trunnion | $1,100.00 | 545 g | maker’s page | 2026-07-22 | Build with this |
| Arma V4 (coil, 250x72.5) (2024) | Eye-to-eye 250 mm | 72.5 mm | Standard eyelet | $1,100.00 | 560 g | maker’s page | 2026-07-22 | Build with this |
| Arma V4 (230x57.5 coil) (2024) | Eye-to-eye 230 mm | 57.5 mm | Standard eyelet | $1,100.00 | 475 g | maker’s page | 2026-07-22 | Build with this |
| Arma V4 (210x47.5 std) (2024) | Eye-to-eye 210 mm | 47.5 mm | Standard eyelet | $1,100.00 | 420 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (210x50 std) (2024) | Eye-to-eye 210 mm | 50 mm | Standard eyelet | $1,100.00 | 425 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (210x52.5 std) (2024) | Eye-to-eye 210 mm | 52.5 mm | Standard eyelet | $1,100.00 | 428 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (210x55 std) (2024) | Eye-to-eye 210 mm | 55 mm | Standard eyelet | $1,100.00 | 430 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (230x60 std) (2024) | Eye-to-eye 230 mm | 60 mm | Standard eyelet | $1,100.00 | 477 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (230x62.5 std) (2024) | Eye-to-eye 230 mm | 62.5 mm | Standard eyelet | $1,100.00 | 478 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (250x67.5 std) (2024) | Eye-to-eye 250 mm | 67.5 mm | Standard eyelet | $1,100.00 | 555 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (250x70 std) (2024) | Eye-to-eye 250 mm | 70 mm | Standard eyelet | $1,100.00 | 558 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (185x47.5 trunnion) (2024) | Eye-to-eye 185 mm | 47.5 mm | Trunnion | $1,100.00 | 400 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (185x50 trunnion) (2024) | Eye-to-eye 185 mm | 50 mm | Trunnion | $1,100.00 | 402 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (185x52.5 trunnion) (2024) | Eye-to-eye 185 mm | 52.5 mm | Trunnion | $1,100.00 | 404 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (185x55 trunnion) (2024) | Eye-to-eye 185 mm | 55 mm | Trunnion | $1,100.00 | 406 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (205x57.5 trunnion) (2024) | Eye-to-eye 205 mm | 57.5 mm | Trunnion | $1,100.00 | 460 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (205x60 trunnion) (2024) | Eye-to-eye 205 mm | 60 mm | Trunnion | $1,100.00 | 463 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (205x62.5 trunnion) (2024) | Eye-to-eye 205 mm | 62.5 mm | Trunnion | $1,100.00 | 466 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (225x67.5 trunnion) (2024) | Eye-to-eye 225 mm | 67.5 mm | Trunnion | $1,100.00 | 535 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (225x70 trunnion) (2024) | Eye-to-eye 225 mm | 70 mm | Trunnion | $1,100.00 | 538 g | maker’s page | 2026-07-13 | Build with this |
| Arma V4 (225x72.5 trunnion) (2024) | Eye-to-eye 225 mm | 72.5 mm | Trunnion | $1,100.00 | 541 g | maker’s page | 2026-07-13 | Build with this |
The rest of what the maker states1 not published
1 further field the checker looks for is not published by EXT, so we leave it blank rather than estimate it, and that check stays silent on this rear shock. It is oem only. 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 2026-07-13 to 2026-07-22.
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 1859 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.




