Originally Posted by
Nyah
I wanted to to see what optimal pressure for 35mm tires are, but the calculator doesn't offer that tire width. I find it odd that it jumps from 32mm to 37mm, when none of the other tires differ more than 4mm in width from the previous one.
Just take the average of 32mm and 37mm Close enough.
The reason that it has the sizes it does is that it is based on a study that used those sizes of tires.