Originally Posted by
BigJeff
when you use the word "less" what do mean?
In contrast: For the hour record on smooth surfaces with the least "deflection" they use 22mm tires at over 250psi.
I think the oft-quoted advantage of lower pressure refers to rough or "real" roads. The softer tires spend more time in contact with the road. A tire can only transmit power and move the bike to the extent it is in contact with the road surface.