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  1. #1
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    Sqeaking Shifting

    So, when I'm in the big ring on my road bike, and I **** UP a cog in the back, I hear a terrible screech. This ONLY happens in the big ring, and ONLY shifting into larger (lower) cogs. It is definitely come from the rear deralleur. Any ideas on what this might be, and how to fix it?

  2. #2
    Senior Member
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    Dec 2005
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    St. Paul, MN
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    Motobecane Le Champion Team, Trek 6700 Custom
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    Quote Originally Posted by ivan_yulaev
    So, when I'm in the big ring on my road bike, and I **** UP a cog in the back, I hear a terrible screech. This ONLY happens in the big ring, and ONLY shifting into larger (lower) cogs. It is definitely come from the rear deralleur. Any ideas on what this might be, and how to fix it?
    Try lubing the 2 tension pullys on the rear derailleur with Triflow. If that doesn't work lube every pivot on the rear derailleur (like you should for regular maintenance, anyway). If that doesn't work, it might be somthing rubbing on your front derailleur. Go to you LBS and ask for an opinion.

  3. #3
    Senior Member
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    Erm, fixed, before I read this. I shot a little oil into the top jockey pulley...squeaking is gone!

    I've been riding in the rain the past few days, and I neglected the deralleurs. Problem solved!

  4. #4
    Senior Member
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    Nice. You read my mind.

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