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TRP RC04E Front Rotor

What the checker says27will not fit33check before you buy

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 1022 verified road bike parts in this catalog. 995 produced no finding of any kind; that is RC04E 180mm. RC04E 203mm clears 989. Each variant produces 11 to 16 distinct errors and 16 to 17 distinct warnings.

Will not fit

    Rg brake rotor max, Front Caliper. 27 more findings from the same check, on up to 1 of the 35 verified calipers each.

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

    Check before you buy

      Rg rotor size, Fork. 33 more findings from the same check, on up to 1 of the 17 verified forks 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.

      $50.99 to $59.49 MSRP

      What the maker states

      Size
      180 mm rotor (on 1 of 2 variants); 203 mm rotor (on 1 of 2 variants)
      Mount
      Center-lock

      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

      VariantSizePrice (MSRP)WeightSourceLast checkedBuild
      RC04E 180mm180 mm rotor$50.99not statedmaker’s page2026-09-19Build with this
      RC04E 203mm203 mm rotor$59.49not statedmaker’s page2026-09-19Build with this
      Source

      Source: each variant links the maker’s own page in the table above. Last checked 2026-09-19.

      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 704 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

      TRP RC04E is the first model on that list.Next: TRP RS02MAll TRP rotorsOpen a variant in the builder to see the ones that apply to your own parts