What is the air pressure for 175 60R15?
R15 is a Metric tire that comes in a Standard Load (SL) range. Standard load (SL) size has a load index of 81 with a maximum load capacity of 1019 lbs at 36 psi, capable of supporting up to 1019 pounds when inflated to its maximum air pressure of 36 pounds per square inch. Aspect Ratio, it is the ratio of the sidewall height to the cross section width.