Pirelli P Zero Winter 2 is a winter tyre made in total of 78 sizes, ranging from R18 to R18 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 325/40 R22 is 90mm wider than the narrowest dimension (235) and -30mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (325mm), which results in 130mm sidewall height.
Winter
Winter