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@joeyjojo
Keeping my thread alive...
Got a problem. The adjustable bb cup has decided that it doesn't want to stay in any more. A few rotations of the cranks cause it to come out a few turns, and tightening it past the 'biting point' with the bearings does the same. This suggests that the threads are buggered, and since the threads on the cup itself look ok, I guess the threads in the frame are f'ed. It's hard to tell by looking at them though.
Sigh. What can I do about this then?