Originally Posted by merlinextraligh
Somewhere floating around here is a chart that purports to give the psi to obtain the optimal amount of tire deflection based upon tire size and rider weight.
I created this one based on Sheldon's data points. It allows you to extrapolate using the curves to find the recomendation based on your weight. I should just post the formulas one day....
http://www.bikeforums.net/attachment...1&d=1154461177