Originally Posted by AviatorTim

I was under that impresion till I read the forums. I'm grateful to knowledgable, helpful people like you who are willing to share what they know with others. Thanks for clarifying.

I think I've got the concept now. Last question, if a rim doesn't clear the brakes because its not setup for a BBK, a 20mm spacer would increase the available brake clearance of any wheel by 20mm, right? But it would also push the tire an additional 20mm out of the fender?