Rear Wheel Grind
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  1. #1
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    Rear Wheel Grind

    I've experience intermittent grind noise coming from my rear wheel while free wheeling.The noise stops when peddling. It's a Mavic Krysium wheel with a Campy Record cassette. About two weeks prior there was a clicking noise coming from back when riding, no noise when I checked it on bike stand. What are possible causes?

  2. #2
    tlg
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    When is the last time you serviced your freehub? Mavic's require frequent service.

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  3. #3
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    More common, is the screaming from the Mavic freehub....Clean and lube, before you have to replace.
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  4. #4
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    Hub cleaned and lubed. Seems to have resolved the screaming. Now to figure out where the clicking is coming from.

  5. #5
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    ah yea, you know when you lubed it, there were little thingy's in there. Well, when your riding, they click when you are not pedaling.
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  6. #6
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    That's not it, the click is intermittent and the noise is there whether peddling or not. I don't hear it when the bike is in the repair stand.

  7. #7
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    When I'm riding and I go about 35mph or over, I get a knocking sound. What is it?
    I don't get it in the garage, cause I'm not going 35mph I guess.
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    It's your heart telling you not to do that very often.
    If your opinion differs from mine, ..........Too bad.
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  9. #9
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    Quote Originally Posted by Not-So-Fast View Post
    That's not it, the click is intermittent and the noise is there whether peddling or not. I don't hear it when the bike is in the repair stand.
    If you get a click when coasting, it probably is at the frequency of your wheels spinning. It could be a valve stem hitting the rim, a crack in the rim, noise from where the spokes cross, a computer pickup hitting the magnet on the spokes, wheel reflectors, Presta valve nuts (throw them away).

  10. #10
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    Quote Originally Posted by Not-So-Fast View Post
    That's not it, the click is intermittent and the noise is there whether peddling or not. I don't hear it when the bike is in the repair stand.
    So it happens when you're trying to sell things?




    I'd check the things that Kerry mentioned...valve stem clicking against the rim, possible spoke/rim damage. Generally Mavic Ksyrium spokes don't touch each other where they cross but it's worth a look. Are they Equipes, or Elites?
    #promechaniclife

  11. #11
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    Quote Originally Posted by Not-So-Fast View Post
    That's not it, the click is intermittent and the noise is there whether peddling or not. I don't hear it when the bike is in the repair stand.
    Intermittent clicking from Mavic wheels is a well known phenomenon. It has to do with the way the rims are made and ends joined together.
    Trying to cram the rest of my life into the rest of my life!

  12. #12
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    Quote Originally Posted by duriel View Post
    When I'm riding and I go about 35mph or over, I get a knocking sound. What is it?
    I don't get it in the garage, cause I'm not going 35mph I guess.
    I am being totally serious, what is it?
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  13. #13
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    Quote Originally Posted by DaveT View Post
    Intermittent clicking from Mavic wheels is a well known phenomenon. It has to do with the way the rims are made and ends joined together.
    Man, I can't believe I forgot about that one. Pinned rim joints and possible associated bits of metal floating around inside the rim.

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