Originally Posted by
JohnDThompson
Not necessarily. Shell width is unreliable in predicting thread spec. The shell could have been overzealously faced, or started out BSA, got damaged/stripped, and was reamed and re-tapped Italian. I assume that the OP determined it was Italian by threading an Italian thread cup into the shell, or measured the inside diameter of the threads as 36mm rather than BSA 35mm.
I thought about reaming after I posted...
Which begs the question, can Campy Italian cups (36X24) be used with an BSA 68mm spindle?
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