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J&B Headset removal

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Old 07-14-05, 07:23 AM
  #1  
Agabinet
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J&B Headset removal

I am rebuilding a 1974 J&B Quality Cycles ten speed (equivalent to Raleigh GP, I think). I am trying to take the fork off. Removed the top bolt that goes all the way through the headset (about 8"). Unscrewed the headset nut and locking ring, the fork drops down, but the for and head tube don't separate from each other, they seem to be moving up and down all as one piece, so I can't get the fork off, nor any of the bearings. Threaded headset, obviously.

I don't know what the inside mechanics of this headset are, so I can't figure out how to disassemble. Any help out there?

Ari Gabinet
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Old 07-14-05, 09:58 AM
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luker
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The fork and headset are integral; sounds like you have a stuck handlebar stem. Screw that top bolt back in about 4 turns and whack it with a mallet. That should free the stem binder. If it doesn't, there are still cures, but they're nastier and we won't go there unless we have to...
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