Does anybody understand the road wheel sizes? I have always heard and understood the difference between 650 and 700 wheels. Where I got confused was when I was looking at a bike for my wife and they listed them as having 28" tubulars. When I looked at the Conti site about the tires, they had a note that said they were equivelent to 700. However I have checked numerous wheel manufactures and nobody says anything about 28" wheels, the only 2 choices are 650 or 700.
