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  1. #1
    如果你能讀了這個你講中文 genericbikedude's Avatar
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    Frozen BB lockring...

    ...anybody have any special tricks to share? Its an old hi-ish quality suntour BB, with six slots for the bb toothy wrench jawn. I've been using the aforementioned toothy wrench jawn, but I can't get a very good fit, and the thing is quite tight.

  2. #2
    Listen to me powers2b's Avatar
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    Use liquid wrench and try again.
    Also ues a threaded rod with two large washers and two nuts to hold the tool in the slot while you turn it.


    Enjoy

  3. #3
    Senior Member rykoala's Avatar
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    I'll probably get flamed for saying this, but I've gotten off lockrings with nothing more than a screwdriver and a hammer. Just tap it loose, no need to wail on it unless its REALLY stuck. I've serviced a couple of BB's that way with no problems.

  4. #4
    Listen to me powers2b's Avatar
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    Quote Originally Posted by rykoala
    I'll probably get flamed for saying this, but I've gotten off lockrings with nothing more than a screwdriver and a hammer. Just tap it loose, no need to wail on it unless its REALLY stuck. I've serviced a couple of BB's that way with no problems.
    Yea, if you don't care about damaging the chrome then a pipe-wrench will work too.

    Enjoy

  5. #5
    Senior Member sydney's Avatar
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    Quote Originally Posted by powers2b
    Yea, if you don't care about damaging the chrome then a pipe-wrench will work too.

    Enjoy
    A lockring is not exaclty a big deal.

  6. #6
    la vache fantôme phantomcow2's Avatar
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    lockrings can be removed with pipe wrenches. IVe done it without issue, theres lots of creative answers to this
    C://dos
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    run.dos.run

  7. #7
    Senior Member Retro Grouch's Avatar
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    All I can say is that if you're having this much trouble with the lockring, wait until you get around to the other side. You're likely to find out why it's called a "fixed cup". You're likely going to need a long bolt or a piece of theraded rod or something similar to hold your BB tool tightly in place while you wail on it.

  8. #8
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    The old trick to remove the "fixed" cup is to clamp the thing in a vise, and use the frame itself as a wrench.

    Liquid Wrench is good stuff; a bit of judicious tapping with a hammer makes it penetrate better.

    I too have used drift-punches, chisels, screwdrivers, etc., all whacked with a hammer. If it gets too bunged up, any decent bike shop should have a few lying around in the old parts bin.

  9. #9
    la vache fantôme phantomcow2's Avatar
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    yea the clamp in vise and use frame as lever is what i usually do.
    C://dos
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  10. #10
    Chronic Tai Shan ofofhy's Avatar
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    Quote Originally Posted by phantomcow2
    lockrings can be removed with pipe wrenches. IVe done it without issue, theres lots of creative answers to this
    By pipe wrench, ydo you mean strap wrench? I have found one of those invaluable in life.

    I've removed a seized lock ring, a headset lock nut with damaged threads, and installed a new shower head. Allows you to do the job without the marring effects of metal wrenchs.
    From Craig's List: IF its a singlespeed that means----all the other parts are broken cut off and dumped...dont buy singlespeeds, the bikes will make your balls fall off

    * no -- it's NOT ok to contact this poster with services or other commercial interests

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