Originally posted by riderx
Sheldon Brown's web site has an article with just about every tire size made and what range of tire widths you can run. His site is a wealth of information on anything bicycle. This link should take you to the tire area
http://www.sheldonbrown.com/tire_sizing.html
That's exactly what I was looking for. I have 700x35 Matrix tires on my Trek 700. I still need to measure the inside of my rims, but I'd like to put 32 or 28 mm tires on, so Sheldon's site is very helpful.
Jonathan