I like this tire:

http://www.performancebike.com/shop/...estore_ID=1034

It's a 26" MTB tire that comes in two sizes. Either 1" wide or 1.4" wide and up to 100 PSI.

Can I use either of these tires if I want to keep using the same rims that originally had 26" x 2.10" MTB tires?