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  1. #1
    for three!
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    Massive brake squeal

    A few days ago i got some koolstop black mountain pads (rim brakes) installed on my bike, and the front brake squeals crazily loud whenever i put the slightest pressure on the lever. It's unbearably loud, and i adjusted my brake pads numerous times, but that didn't solve anything. My bike is almost brand new and I have mavic 317 rims. Anybody have suggestions?

  2. #2
    LCW
    LCW is offline
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    maybe a good opportunity to upgrade to disc brakes?

  3. #3
    Old man on a bike
    Reputation: Bikinfoolferlife's Avatar
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    Try abrading the surface of the pads with a file or similar. The toe-in might be set badly. Might try cleaning your rims as well.
    "...the people get the government they deserve..."
    suum quique

  4. #4
    semantic blockage
    Reputation: omegamandb's Avatar
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    Have you adjusted your brake pad(s) with "toe-in"? They must have toe-in. Prior to tightening the pads, place a matchbook cover folded once (2 ply) under the leading (rearward) edge of the pad - then tighten pad. No more squeal. I do this to each side at the same time - both pads loose with matchbook shim under - hold pads in place with left hand, tighten with right hand.

  5. #5
    for three!
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    Quote Originally Posted by omegamandb
    Have you adjusted your brake pad(s) with "toe-in"? They must have toe-in. Prior to tightening the pads, place a matchbook cover folded once (2 ply) under the leading (rearward) edge of the pad - then tighten pad. No more squeal. I do this to each side at the same time - both pads loose with matchbook shim under - hold pads in place with left hand, tighten with right hand.
    THANK YOU very much, that worked like a charm. No more squeals for this bike.

  6. #6
    semantic blockage
    Reputation: omegamandb's Avatar
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    Kool Karl...
    You may want to play with shim thickness depending on the type of trails you ride/how much brake you need to grab. Glad to hear your bike is not a distraction to you and others any longer.

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