Pirelli WINTER SOTTOZERO Serie III 235/35 R20

Pirelli WINTER SOTTOZERO Serie III is a winter tyre made in total of 228 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 235/35 R20 is 30mm wider than the narrowest dimension (205) and 80mm narrower than the widest one (315). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (235mm), which results in 82.25mm sidewall height.