Originally Posted by
hueyhoolihan
beware!
double check the inside diameters of PF30 BB (46mm?) shell and BB30 BB (41mm?) shell. i don't think they are the same. and neither are the adapters in the two links.
Close... BB30 has a 42 mm diameter shell.
Praxis does sell it's conversion BB with a PF30 to BB30 sleeve (46 mm to 42 mm converter) that goes in between the BB shell and the collet sleeve.