Factor OSTRO VAM Aero Seatpost Seatpost
Seatpost: Proprietary, frame-specific part. 1 verified variant.
What the checker says58will not fit
Run variant by variant through the road 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 1002 verified road bike parts in this catalog. 944 produced no finding of any kind.
Will not fit
Rg seatpost, Frame. 58 more findings from the same check, on up to 1 of the 59 verified frames each.
Open a variant in the builder to see the ones that apply to your own parts.
$400.00 MSRP
What the maker states1 stated·2 not published
- Proprietary, frame-specific part.
2 further fields the checker looks for are not published by Factor, so we leave them blank rather than estimate them, and those 2 checks stay silent on this seatpost. They are diameter and setback. Each is recorded as “not stated by the maker (not checked)”.
Source: the maker’s page. Last checked 2026-09-18.
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 Aeroflux Integrale (Handlebar) No conflicts found
- 3T Apto Stealth Stem (Stem) No conflicts found
- 3T Superergo LTD (standard, non-INTEGRALE) (Handlebar) No conflicts found
- All-City Zig Zag Frameset (Frame) Will not fit
- Argon 18 Sum Frameset (Frame) Will not fit
- Basso SV Frameset (Frame) Will not fit
6 of 668 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.