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  1. #1
    NadaKid wayne pattee's Avatar
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    Which tool for this BB cup

    I just got this 1980 Nishiki and am wondering what I should use to remove this cup. Looks like a open end wrench but I don't wanna screw nothing up.

  2. #2
    Senior Member cizzlak's Avatar
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    looks like you could undo that with a park HCW-5 wrench. they are about $15 at any reasonable shop. use the end with only 1 notch.

  3. #3
    Neither rain, snow... dsm iv tr's Avatar
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    If you mean the lockring holding the cup in the frame, you'll need a lockring wrench, or you can take a -blunt- cold chisel and a mallet and carefully, gently tap the inside of the notches in the correct direction to undo it. If you do that, be careful not to chip or dent the frame. Here's a lockring wrench:

    http://www.parktool.com/images/produ...5630_79816.jpg

    If you can't undo the cup by hand once you remove the lockring, you'll need a fixed cup wrench. Here's one:

    http://www.parktool.com/images/produ...05630_1986.jpg

    The cup's 'wrenchable' area may be larger or smaller than 36mm, I would measure it first, but that's a general idea of what you'll need.

    Edit: If you end up using a fixed cup wrench, remember to apply lateral pressure (press the wrench against the cup with one hand) against the wrench while using it, otherwise it could slip off the cup while you're trying to loosen it, and you'll hurt your hands.
    Last edited by dsm iv tr; 06-07-08 at 05:12 PM. Reason: oops
    "You have succeeded in life when all you really want is only what you really need."
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  4. #4
    Senior Member Bill Kapaun's Avatar
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    Or a water pump pliers or larger curved jaw vise grips, or....

  5. #5
    Senior Member Oldpeddaller's Avatar
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    Use a lockring wrench, or a peg spanner (or a hammer and flat-ended punch carefully) to loosen and remove the outer lock ring. Then use a large adjustable or correct size open-ended spanner on the centre flats of the bearing cup. I've never had any trouble with this style of BB!

  6. #6
    NadaKid wayne pattee's Avatar
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    Yes I have a C spanner wrench for the lockring and I have Pin wrenchs that I bought for the adjusting cup on one of my other bikes (I used to use a pipe wrench for lockrings) but the adjusting cup on this bike has wrench flats that aren't very deep and I new there had to be a tool or a trick of the trade for this kind of cup.
    thanks for saving me again.
    Wayne
    Last edited by wayne pattee; 06-07-08 at 06:28 PM.

  7. #7
    Senior Member cizzlak's Avatar
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    sounds like a flatwrench candidate. unfortunately without measurements we cannot suggest much. got a tape measure handy?

  8. #8
    Senior Member cizzlak's Avatar
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    when all else fails: channel locks.

  9. #9
    Senior Member mechBgon's Avatar
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    Park Tool HCW-11 is specifically made for that type of cup. The HCW-11 is discontinued, but if you really want one, you can probably find a shop that'll sell you one. If you have a decent 5/8-inch or 16mm open-end wrench, you can also try that. If it isn't corroded in place, a 16mm cone wrench can also be used.

  10. #10
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    Loosen that lockring first...

  11. #11
    cab horn
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    Quote Originally Posted by mechBgon View Post
    Park Tool HCW-11 is specifically made for that type of cup. The HCW-11 is discontinued, but if you really want one, you can probably find a shop that'll sell you one. If you have a decent 5/8-inch or 16mm open-end wrench, you can also try that. If it isn't corroded in place, a 16mm cone wrench can also be used.
    Took 9 posts for a correct answer.

    Unfortunately it's a discountined product.
    Mes compaingnons cui j'amoie et cui j'aim,... Me di, chanson.

  12. #12
    cab horn
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    Quote Originally Posted by dsm iv tr View Post
    If you can't undo the cup by hand once you remove the lockring, you'll need a fixed cup wrench. Here's one:

    http://www.parktool.com/images/produ...05630_1986.jpg

    The cup's 'wrenchable' area may be larger or smaller than 36mm, I would measure it first, but that's a general idea of what you'll need.
    Incorrect. The wrencheable area is definitley smaller than 36mm, guaranteed. That is not the correct tool.
    Mes compaingnons cui j'amoie et cui j'aim,... Me di, chanson.

  13. #13
    Senior Member
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    Quote Originally Posted by operator View Post
    Took 9 posts for a correct answer.

    Unfortunately it's a discountined product.
    Really? What was wrong with this response:

    Quote Originally Posted by cizzlak View Post
    looks like you could undo that with a park HCW-5 wrench. they are about $15 at any reasonable shop. use the end with only 1 notch.

  14. #14
    Senior Member cizzlak's Avatar
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    well technically i am wrong because he asked about removing the cup, not the lockring. i was just thinking of where to start. its all good.

  15. #15
    Neither rain, snow... dsm iv tr's Avatar
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    Quote Originally Posted by operator View Post
    Incorrect. The wrencheable area is definitley smaller than 36mm, guaranteed. That is not the correct tool.
    You're right, it's not the exact, correct tool. Hence why I said a "general idea" of what one would need: a fixed cup wrench of some kind, presumably one that would fit it.

    Perhaps park should bring back the hcw-11, there's still quite a few of these cups kicking around. I could have used one of them as early as last week...
    "You have succeeded in life when all you really want is only what you really need."
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  16. #16
    Your mom
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    I've had success with a crescent wrench on those flats. Also an option to put in a bench vise and unscrew using the frame.

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