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  1. #1
    yorkshire mud monkey
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    striped the thread on crank

    made a bit of a mess tday put the crank extractor on my bontrager crank and then started to tighten it to get the crank off then pop it striped the thead and now cant get it off.wots the best way.now i cant put a crank extractor on it.
    as steve said "As long as the rotor/rivets clears the fork, a miss is as good as a mile"

  2. #2
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    get a pickle fork or gear puller

  3. #3
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    Take a marker and write Truvativ on it. It will fall off all by itself.
    Warning: may contain sarcasm and/or crap made up in an attempt to feel important.

  4. #4
    AZ
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    Quote Originally Posted by trailville
    Take a marker and write Truvativ on it. It will fall off all by itself.


    ... Seriously though , sometimes a three jaw gear puller will work .

  5. #5
    ...idios...
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    Quote Originally Posted by trailville
    Take a marker and write Truvativ on it. It will fall off all by itself.
    Funny.
    .
    .


    What luck for rulers, that men do not think - Adolf Hitler

  6. #6
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    Here's a cheap, easy and reliable way out of your predicament.

    Use a pair of Jacobs chuck removal wedges, pictured here. You should be able to find them at any serious hardware store or industrial supply for about $10.00 or so. I'm not 100% positive but I think that the size you need is #3 (for 3JT) chucks for square taper BB spindles, but I'm not sure which for ISIS. Tell the seller the BB spindle OD, he can check the specs, and sell you the right size.

    You use them by tapping them in behind the crank arm and they gently wedge the arm straight off.
    fb
    www.chain-L.com

    The key to solving any problem is to understand and address the underlying cause.

  7. #7
    yorkshire mud monkey
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    cool will try it.
    as steve said "As long as the rotor/rivets clears the fork, a miss is as good as a mile"

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