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  1. #1
    mtbr member
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    Mar 2010
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    28

    xx1 jockey pulley on derailleur jumping out of position on chain

    The pulleys on the derailleur are keyed like the chain ring. On my setup the jockey pulley is jumping out of position on the chain... causing a kind of clicking sound.

    Basically it stops meshing with the chain properly requiring me to stop and fix it.

    This has been happening most on rough trails.

    Any idea how to solve this?

  2. #2
    mtbr member
    Reputation: Epic_Dude's Avatar
    Join Date
    May 2010
    Posts
    730
    Sounds like a tension issue, try adjusting your B-tension bolt.

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