Originally Posted by
noodle soup
This chart is a little whacked. I just looked at the sidewall of a 30mm Schwalbe G-One Speed, and it clearly says 50-80 PSI is recommended inflation
The sidewall is supposed to indicate the safety margin for the construction of the tire itself, not specifying the ideal inflation from a performance perspective which of course depends on rider weight and road conditions. Schwalbe calls their chart a 'very general guide'