OneUp V3 Dropper Dropper Post
What the checker says219will not fit
Run variant by variant through the gravel 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 841 verified gravel bike parts in this catalog. 826 produced no finding of any kind; that is V3 Dropper 27.2 (120mm). V3 Dropper 30.9 (90mm) clears 770. Each variant produces 15 to 71 distinct errors and 0 distinct warnings.
Will not fit
Rg seatpost, Frame. 219 more findings from the same check, on up to 1 of the 74 verified frames each.
Open a variant in the builder to see the ones that apply to your own parts.

$269.99 MSRP·304 to 415 g
What the maker states
- Diameter
- 30.9 mm diameter (on 3 of 5 variants); 27.2 mm diameter (on 2 of 5 variants)
- Drop
- 120 mm of drop (on 2 of 5 variants); 90 mm of drop (on 2 of 5 variants); 150 mm of drop (on 1 of 5 variants)
- Actuation
- Mechanical
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
5 verified variants
| Variant | Diameter | Drop | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|---|
| V3 Dropper 27.2 (90mm) | 27.2 mm diameter | 90 mm of drop | $269.99 | 304 g | maker’s page | 2026-08-14 | Build with this |
| V3 Dropper 27.2 (120mm) | 27.2 mm diameter | 120 mm of drop | $269.99 | 340 g | maker’s page | 2026-08-14 | Build with this |
| V3 Dropper 30.9 (90mm) | 30.9 mm diameter | 90 mm of drop | $269.99 | 325 g | maker’s page | 2026-08-14 | Build with this |
| V3 Dropper 30.9 (120mm) | 30.9 mm diameter | 120 mm of drop | $269.99 | 370 g | maker’s page | 2026-08-14 | Build with this |
| V3 Dropper 30.9 (150mm) | 30.9 mm diameter | 150 mm of drop | $269.99 | 415 g | maker’s page | 2026-08-14 | Build with this |
Source
Source: each variant links the maker’s own page in the table above. Last checked 2026-08-14.
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.
- 3T Exploro Race (Frame) Will not fit
- 3T Fango LTD (Fork) No conflicts found
- 8bar Gravel Carbon Disc Fork v2 (Fork) No conflicts found
- Acros ZS44/28.6 | EC44/40 Headset (Headset) No conflicts found
- All-City Cosmic Stallion LTD (Frame) Will not fit
- Allied Able (Frame) Will not fit
6 of 499 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.



