Originally Posted by
zandoval
DUH!!! I'll put my 2 cents in...
I run several different tires on the few bikes I have. Some are with big and some with thin small tires.
I look at the side of the tire where it's embossed the MAX and MIN psi for the tire and I subtract 5 to 10 psi.
The only problem I see with that is that max pressure is often just what pressure the manufacturer is afraid the tire might pop off the rim, and has nothing to do with speed, handling, or comfort.