uh oh, now you're making me paranoid. I thought I knew this for sure:

isn't the cog threading on all standard track hubs the same, Italian, US and Japanese? Isn't it just that the lockring threading on Italians and Phils (and yet another for Mavic) different? Italian l/rs definitely won't work on standard lockring threads.

Somebody chime in, I'm about to buy an 18t cog for an Italian hub.