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PNW Rainier 27.2 Dropper Post Dropper Post

What the checker says22will 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 818 verified gravel bike parts in this catalog. 803 produced no finding of any kind. Each variant produces 15 distinct errors and 0 distinct warnings.

Will not fit

    Rg seatpost, Frame. 22 more findings from the same check, on up to 1 of the 69 verified frames each.

    Open a variant in the builder to see the ones that apply to your own parts.

    The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.
    PNW Rainier 27.2 Dropper Post (100mm)
    Photo: PNW

    $199.00 MSRP·412 to 450 g

    What the maker states

    Diameter
    27.2 mm diameter
    Drop
    100 mm of drop (on 1 of 2 variants); 125 mm of drop (on 1 of 2 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.

    2 verified variants

    VariantDropPrice (MSRP)WeightSourceLast checkedBuild
    Rainier 27.2 Dropper Post (100mm)100 mm of drop$199.00412 gmaker’s page2026-08-14Build with this
    Rainier 27.2 Dropper Post (125mm)125 mm of drop$199.00450 gmaker’s page2026-08-14Build 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.

    6 of 483 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.

    Where this sits

    Previous: PNW Pine 27.2 Dropper PostPNW Rainier 27.2 Dropper Post is the last model on that list.All PNW dropper postsOpen a variant in the builder to see the ones that apply to your own parts