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I'm not an expert, but all the Italian threaded bbs I've come across have had a shell width of 70mm, and it says bsc on it
Sheldon brown:
1.37 x 24 tpi is British ISO thread (shell width 68mm, 73 oversize)36 x 24 tpi is Italian (shell width 70mm)
Just an FYI! And cos I'm after an ital. threaded bb :-)
MCamb
how can you tell? A friend of mine gave to me a while back and just said it was Italian threaded as he couldn't thread it into his British threaded shell. I'll be honest, I didn't think to check.