top cap bolt that doesnt unscrew

roj279
roj279 Posts: 579
edited June 2007 in MTB workshop & tech
the top cap bolt on my bmx doesn't unscrew, it turns, but just doesnt come out, is this because the thread is knackerd? and how the f*ck do i get the dang thing out?? its 1 of the ones you can put your brake cable through not just a normal allen key one iff that helps

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Comments

  • newmember
    newmember Posts: 66
    sounds like the thread is gone, yes, you could try drilling it out - but you need to replace it of course.

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  • roj279
    roj279 Posts: 579
    iff i do drill it out will the 1 that came free with mbuk fit it? i thought that maybe if you drilled it out it would knacker whatever the bolt screws into?

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  • newmember
    newmember Posts: 66
    hmm, im not much of an expert, but you could try screw extractors.

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  • The Joe Show
    The Joe Show Posts: 9,413
    A lot of BMX forks have a starnut welded in.

    So drilling it out may not be an option.

    However, if you manage to get the bolt out and the threads are knackered you could always run a headlock.

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  • roj279
    roj279 Posts: 579
    i dont think its welded. it _did_ come out half way then the was it, but i then regretably hit it back in to stop the wobble, and now it doesnt come out atall, i think i may give drilling it a go, so far ive tried moler grips and putting a rod through the bottom of the forks and trying to hammer it out... neither worked[V]

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  • the free one with mbuk would fit put its rubbish, throw it away-you don't want to be using a plastic top cap, you can use the bolt though

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  • nicklouse
    nicklouse Posts: 50,675
    nothing wrong with a plastic top cap. it is not like it has a lot to do. many headsets come with plastic topcaps anyway.

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