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Thread: 205mm and QR

  1. #1
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    205mm and QR

    Ive seen several people here talk about how an 8" rotor and QR dropouts are a bad mix.
    But how bad?
    Immediate and definite failure?
    Maybe a failure at some point?

    I dont want to kill myself but i dont really feel like shipping the 8" rotor back if theres only a little guessing on an internet forum about how dangerous it is.

    So anyone running this?Or ran it in the past?

  2. #2
    Nouveau Retrogrouch SuperModerator
    Reputation: shiggy's Avatar
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    I have several riding buddies using 203 rotors and QRs. No problems with any of them. Use good skewers, i.e. Shimano.
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    The trouble with common sense is it is no longer common

  3. #3
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    i'm running and no problem so far

  4. #4
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    I've just ordered a Shimano new XT 203mm. rotor (Part # SM-R77L) with splined mount. Unlike Saint rotors, which are larger splines, XT are only made for QRs. I feel quite confident that if Shimano aprove it, there is no problem.

    Ronnie.

  5. #5
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    I run a 205 Avid mechanical on my Flick QR ... Shimano skewers ... no troubles

    Other than I'm now addicted to the big rotors, and actually being able to stop like skinny people can.

  6. #6
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    Ok. Cool.
    Maybe I was just imagining this then.

    I stepped up from a Minute 1 to an 04Z1 FR and thought that it could handle the larger rotors, but just wanted to make sure.

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