Pirelli P ZERO PZ4 245/30 R22

Pirelli P ZERO PZ4 is a summer tyre made in total of 718 sizes, ranging from R13 to R13 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 245/30 R22 is 100mm wider than the narrowest dimension (145) and 90mm narrower than the widest one (335). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (245mm), which results in 73.5mm sidewall height.