Buggered up my 3T quill stem - any ideas?

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  • My drop handlebars kept coming somewhat loose, so after a while of regularly tightening the screw on my 3T quill stem I was on too much of a mission to sort it out today and must have overtightened it, which resulted in the screw spinning through (threading f'd I suppose). Does anyone have an idea that could prevent me from having to get a new stem, having to retape my bars etc etc?

    Thanks in advance.


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  • Try uploading or finding us a pic of said stem. Then we might be able to help.

    There may be enough material there for you to drill and tap new thread in for a bigger bolt.

  • Depending on the fitting, you could maybe drill it out and fit a larger bolt and nut.

    Photos required though, yes.

  • Possibly tap out then helicoil?

  • Do you really want to piss about with a potentially fucked faceplant machine? Just buy a new stem and learn correct part tolerances.

  • Used quill stems are cheap and so is bar tape. Hippy is right. Chalk it up to experience.

  • Thanks everyone for your responses so far. Have just added a couple of snapshots I quickly took this morning, not sure how much use they will be.
    I think I might just try a bigger bolt and see if it reaches some threading further in, otherwise I'll bite the bullet and replace, just couldn't face the fact that I've actually buggered this up doh

  • ffs, take hippy's advice

    if it breaks think what will happen

    how much is a new stem? how much are new teeth and or cosmetic surgery

  • Aluminium thread vs steel bolt........only one can win.

    Replace the stem, it's the only way. The thread will be stripped and a bigger bolt will not bite unless you re-tap as well. Having someone do this will cost.....about the price of a new stem..

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Buggered up my 3T quill stem - any ideas?

Posted by Avatar for Hoffmeister @Hoffmeister

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