TRP RC04E Front Rotor
What the checker says28will not fit42check before you buy
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 851 verified gravel bike parts in this catalog. 822 produced no finding of any kind; that is RC04E. RC04E clears 801. Each variant produces 11 to 18 distinct errors and 16 to 26 distinct warnings.
Will not fit
- Will not fiterror · Front WheelFront rotor mismatch: a Center Lock rotor cannot bolt to Spank Flare 24 Vibrocore Front Wheel's 6-bolt hub. On 2 of the 58 verified front wheels in this catalog. Applies to all 2 variants.
Rg brake rotor max, Front Caliper. 24 more findings from the same check, on up to 1 of the 27 verified calipers each.
Rg brake rotor excluded, Front Caliper. 3 more findings from the same check, on up to 1 of the 27 verified calipers each.
Open a variant in the builder to see the ones that apply to your own parts.
Check before you buy
- Check before you buywarning · ForkFront rotor size: 180mm exceeds RockShox Rudy Ultimate XPLR's 160mm flat-mount max. On 2 of the 31 verified forks in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · ForkFront rotor size: 203mm exceeds Fox 32 Taper-Cast's 180mm flat-mount max. On 2 of the 31 verified forks in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · ForkFront rotor size: 203mm exceeds RockShox Rudy Ultimate XPLR's 160mm flat-mount max. On 2 of the 31 verified forks in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · ForkFront rotor size: 203mm exceeds RockShox Rudy XL Ultimate's 180mm flat-mount max. On 2 of the 31 verified forks in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · ForkFront rotor size: 203mm exceeds RockShox Rudy XL's 180mm flat-mount max. On 2 of the 31 verified forks in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · ForkFront rotor size: 203mm exceeds RockShox Rudy XPLR (Base)'s 180mm flat-mount max. On 2 of the 31 verified forks in this catalog. Applies to 1 of 2 variants.
Rg rotor size, Fork. 36 more findings from the same check, on up to 1 of the 31 verified forks each.
Open a variant in the builder to see the ones that apply to your own parts.
$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
| Variant | Size | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|
| RC04E | 180 mm rotor | $50.99 | not stated | maker’s page | 2026-08-10 | Build with this |
| RC04E | 203 mm rotor | $59.49 | not stated | maker’s page | 2026-08-10 | Build with this |
The rest of what the maker states1 not published
1 further field the checker looks for is not published by TRP, so we leave it blank rather than estimate it, and that check stays silent on this front rotor. It is thickness. 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 2026-08-10.
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) No conflicts found
- 3T Fango LTD (Fork) Check before you buy
- 8bar Gravel Carbon Disc Fork v2 (Fork) Check before you buy
- 9point8 Fall Line R (Dropper Post) No conflicts found
- Acros ZS44/28.6 | EC44/40 Headset (Headset) No conflicts found
- All-City Cosmic Stallion LTD (Frame) No conflicts found
6 of 500 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.