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  1. #1
    mtbr member
    Join Date
    Mar 2007

    Help removing rear derailleur hanger

    Two bolts secure the hanger on my diamondback - the smaller one came off no problem but the second one is simply spinning in place where it anchors to the frame... Nothing feels stripped. Is there some kind of trick to this?

  2. #2
    Class Clown
    Reputation: dundundata's Avatar
    Join Date
    May 2009
    i think you may need to hold the other side in place with another allen

  3. #3
    mtbr member
    Reputation: JSumner13's Avatar
    Join Date
    Apr 2006
    Maybe it's a chainring style bolt that requires a chainring nut wrench?

    The hanger on my wifes Vassago is held on by one of these bolts. Not sure about your Diamondback though.

  4. #4
    Never trust a fart
    Reputation: frdfandc's Avatar
    Join Date
    Sep 2007
    JSumner has it correct. You need something to hold the back side of the bolt. Specifically the chainring nut wrench.

  5. #5
    mtbr member
    Join Date
    Mar 2007
    Think you're right - on the back side of the bolt there's a small groove on either side. No idea why they would use a special bolt to hold this thing on - its sandwiched next to the dropout anyway. Shop should probably be able to help me out - thanks for the info

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