Join Date: Apr 2006
Location: Central Indiana
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Ovalized BB shell - any way to fix?
I have an interesting problem and was hoping for some suggestions. I was given a '77 Raleigh Super Course frameset a while back and rode it as is for a few years. Its paint wasn't in great shape so this past week I finally got around to having it repainted.
This afternoon I was beginning to attach some of the decals to the frame when I thought I'd mess around with the bottom bracket to make sure it would go in cleanly. Tried one, didn't want to go in. Tried another, same thing. Checked thread size with the BB it came with, and all three matched. So I pulled it down to look, and the whole BB is ovalized.
I'm not sure if it fell or what, but that's what I'm guessing. Preliminary investigations point to the painter - I have a couple which show the BB after sandblasting and before paint, and it appears fine at that point. It's worse on the non-drive side but affects the drive side as well.
Either way, is there any hope of fixing this? Perhaps try to push it back out using some wood and clamps on each side of the indentation, or pull the flat spot out (perhaps by using two rods to press on the inner sides of the shell while pulling them apart)?
Any thoughts would be appreciated!