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  1. #1
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    Worn Limit Screw Head

    Help! Very badly worn screw head! Tried using an extractor bit but the screw just seems to be too fragile.
    Any ideas?

  2. #2
    I suck, but you're worse
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    If you can remove the screw with an extractor without damaging the threads it is screwing IN to it is easy to find another screw to replace it. Is this a derailuer limit screw or a brake screw?

  3. #3
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    It's a derailleur limit screw. The problem is getting it out. I'll be trying again a bit later but it just seems to be too fragile.

  4. #4
    Senior Member shider's Avatar
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    Cut a slot across the top of the head with either a dremel or fine toothed hack saw and then just use a flathead screwdriver.

  5. #5
    Member gooch's Avatar
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    Just curious is it Shimano? I think they make their limit screws out of an alloy of butter.
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  6. #6
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    Quote Originally Posted by gooch View Post
    Just curious is it Shimano? I think they make their limit screws out of an alloy of butter.
    Warm butter.

    Just to make sure, you have the derailleur in the middle of the gear range so that it is not pushing against the limit screw and keeping it from turning, yes?
    The will to win is nothing without the will to prepare. -Juma Ikangaa

  7. #7
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    Quote Originally Posted by gooch View Post
    Just curious is it Shimano? I think they make their limit screws out of an alloy of butter.
    It is indeed. DA front.

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