Originally Posted by
13ollocks
neither Campag BB had room for an NDS lock ring nor was one provided. Nor did they migrate as the BB here appears to have done. But I agree that there there appears to be a lock ring in the package illustration. Maybe the OP can shed some light on whether the BB came with one
i'm wondering where the shoulder on the DS cup went.
i think the solution is to get a new BB with a shoulder and lockring.
also wondering what anti-seize/grease was applied to the BB threads....
and i'd be taking a really close look at the threads in that frame too.
a good reface of the BB might help.