Originally Posted by Donkey Hodie
referring to Russ' edit and sheldon's chart: so then i should be fine with the 22.5 mm wheel width of my sun cr-18 rims.
Yes. And I would run them at max pressure on the street. If you're riding in snow,or offroad in sand or mud,lower pressure will give you extra traction. But on the street you'd want the max pressure to reduce rolling resistance.