Originally Posted by
scirocco
How important is it to face bearing shells ... The squareness of the face would seem to be irrelevant (within reason) - all that will do is affect at what point the BB stops turning as it's torqued up. Or am I missing something here?
Yeah, you're missing the point. The entire purpose of facing is to make the tube end flat and
square to the axle axis. Hillrider tells you what happens if they're not square -> metal bends. Gunk like epoxy on the face can effectively make them out-of-square too.