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Old 07-19-14, 01:54 PM   #1
Steve M.
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Advice on removing bottom bracket fragment

Exploring a persistent bad noise on my Cross Check, I discovered that my BB was shot. It came out in pieces -- except for one, which remains stuck in the threads of the shell. What's the best way to remove this? Hacksaw? Thanks in advance.

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Old 07-19-14, 02:55 PM   #2
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Which blurry thing is the fragment?
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Old 07-19-14, 03:01 PM   #3
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Oh my. What bottom bracket did you have in there?

I'd be wishing I'd had a Shimano UN-xx with the much hated plastic adjustable cup right about now.
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Old 07-19-14, 03:29 PM   #4
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Yeah, very curious what brand that was? Aluminum or steel cup? DS or NDS?

And, sorry. I am at a complete loss right now for a suggestion on how to get that out.
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Old 07-19-14, 05:29 PM   #5
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@AnkleWork: If you look closely, you'll see threads, then the hoop-shaped remnant still in there, about a centimeter wide, then more threads.
@lester: It's a step up from the Shimano thing, but the same item basically. I believe it's an IRD,
@Squid: You're looking at the NDS. The aluminum receiver. I'm thinking using a hacksaw or file to saw gently through it, or almost through it. Then pliers. Alternatively a Dremel. Alternatively a hand grenade. After that, the LBS.

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Old 07-19-14, 05:44 PM   #6
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Try your luck with some penetrating oil, than a large EZ-out. If it's stuck where the threads are LH, it's more problematic since EZ-outs may not come that way.

If you have a Dremel and access to hex stock or a large enough hex head bolt, use the Dremel tool to cut 6 points into the ring, to fit the bolt head, then use a pipe wrench to turn the bolt.
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Old 07-19-14, 08:16 PM   #7
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Problem solved: A couple of cuts with the hacksaw down to the threads, a pop with a punch to break that section off and the remainder of it came out with a little pliers persuasion. The new one -- with the plastic receiver -- went right in.

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Old 07-20-14, 04:55 AM   #8
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Old 07-20-14, 12:41 PM   #9
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Quote:
Originally Posted by Steve M. View Post
Problem solved: A couple of cuts with the hacksaw down to the threads, a pop with a punch to break that section off and the remainder of it came out with a little pliers persuasion. The new one -- with the plastic receiver -- went right in.

Steve M.
Nice.
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