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Prototype - Evolving Daily

Braking EPTA STAGE 0 2.2mm 203mm (6-Bolt) Front Rotor

Front Rotor: 203 mm rotor; Mount 6-bolt. 1 verified variant.

What the checker says12will not fit3check before you buy32worth knowing

Run variant by variant through the mountain 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 5997 verified mountain bike parts in this catalog. 5820 produced no finding of any kind.

Will not fit

  • Will not fiterror · Front WheelFront rotor: a 6-bolt rotor does not mount on a Center Lock front hub as it is - the two use different rotor interfaces. The part that bridges them is a Center Lock adapter, and the ones makers publish fit one-piece rotors only. A shim or adapter may make other sizes or standards work, but that is a modification, not a fit. On 61 of the 270 verified front wheels in this catalog.
  • Will not fiterror · Front HubFront rotor: a 6-bolt rotor does not mount on a Center Lock front hub as it is - the two use different rotor interfaces. The part that bridges them is a Center Lock adapter, and the ones makers publish fit one-piece rotors only. A shim or adapter may make other sizes or standards work, but that is a modification, not a fit. On 16 of the 40 verified front hubs in this catalog.

Front brake rotor max, Front Brake. 8 more findings from the same check, on up to 1 of the 92 verified brakes each.

Front brake rotor excluded, Front Brake. 2 more findings from the same check, on up to 1 of the 92 verified brakes 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: 203mm exceeds the fork max of 180mm. A post-mount adapter is the part that steps a caliper up to a bigger rotor, sold in the maker’s own discrete size steps (commonly +20mm, e.g. 160 to 180mm or 180 to 200mm) rather than for any gap - and not every step is offered for every caliper model, so check the maker’s own fitment before buying. On 31 of the 490 verified forks in this catalog.
  • Check before you buywarning · ForkFront rotor: 203mm exceeds the fork max of 200mm. A post-mount adapter is the part that steps a caliper up to a bigger rotor, sold in the maker’s own discrete size steps (commonly +20mm, e.g. 160 to 180mm or 180 to 200mm) rather than for any gap - and not every step is offered for every caliper model, so check the maker’s own fitment before buying. On 22 of the 490 verified forks in this catalog.
  • Check before you buywarning · ForkFront rotor: 203mm exceeds the fork max of 185mm. A post-mount adapter is the part that steps a caliper up to a bigger rotor, sold in the maker’s own discrete size steps (commonly +20mm, e.g. 160 to 180mm or 180 to 200mm) rather than for any gap - and not every step is offered for every caliper model, so check the maker’s own fitment before buying. On 5 of the 490 verified forks in this catalog.

Worth knowing

    Front rotor interface unstated, Front Wheel. 29 more findings from the same check, on up to 1 of the 270 verified front wheels each.

    Front rotor interface unstated, Front Hub. 3 more findings from the same check, on up to 1 of the 40 verified front hubs 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.

    $116.00 MSRP·197 g

    What the maker states

    Size
    203 mm rotor
    Mount
    6-bolt
    The rest of what the maker states1 not published

    1 further field the checker looks for is not published by Braking, 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: the maker’s page. Last checked 2026-07-23.

    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 1861 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

    All Braking rotorsOpen a variant in the builder to see the ones that apply to your own parts