Dick in reply to @Dogs
I think that's a PF30 - I'm not sure of the compatibility, but finding a bb with a removable sheath that fits 30mm spindle is a good idea
It's definitely BB30 it's in my Supersix, its essentially a shrunken down PF30 as the PF30 has a larger diameter.
It's true that the bearings are smaller, but it certainly isn't creaky due to the plastic cups that surround the bearings. Incidentally neither of my Cannondales have a traditional BB30 and neither creak, but my friends CAAD X is one of the loudest bikes I've ever heard.
It's definitely BB30 it's in my Supersix, its essentially a shrunken down PF30 as the PF30 has a larger diameter.