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  1. #1
    mtbr member
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    Join Date
    Jun 2007
    Posts
    1

    trek 820 back gear set

    my bike is less than a year old now and when i pedal backwards or spin the hub backwards i hear a grinding like noise coming from the gear set. im having trouble taking it off the rim so my question is... where can i find a shematic like picture to see what the insides look like, or how can i get the sprockets off???

  2. #2
    Ya, right.
    Reputation: DSDuke's Avatar
    Join Date
    Feb 2004
    Posts
    815
    You need a special tool to pull the lockring off, then they will just slide off. If there is something stuck in the cassette, you should be able to see it. Just a guess here, but it sounds like your hub/freewheel may be the culprit.
    I hope you have a big trunk... 'cuz I'm puttin' my bike in it.

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