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Old 06-07-08, 04:22 PM   #1
wayne pattee
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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.
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Old 06-07-08, 04:35 PM   #2
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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.
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Old 06-07-08, 05:10 PM   #3
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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
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Old 06-07-08, 05:15 PM   #4
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Or a water pump pliers or larger curved jaw vise grips, or....
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Old 06-07-08, 05:16 PM   #5
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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!
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Old 06-07-08, 06:22 PM   #6
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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.
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Old 06-07-08, 06:25 PM   #7
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sounds like a flatwrench candidate. unfortunately without measurements we cannot suggest much. got a tape measure handy?
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Old 06-07-08, 06:28 PM   #8
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when all else fails: channel locks.
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Old 06-07-08, 11:07 PM   #9
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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.
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Old 06-08-08, 06:52 AM   #10
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Loosen that lockring first...
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Old 06-08-08, 08:01 AM   #11
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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.
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Old 06-08-08, 08:05 AM   #12
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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.
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Old 06-08-08, 10:21 AM   #13
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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.
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Old 06-08-08, 10:29 AM   #14
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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.
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Old 06-10-08, 04:15 AM   #15
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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...
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Old 06-10-08, 09:45 AM   #16
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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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