Pirelli Winter Sottozero 3 245/40 R20

Pirelli Winter Sottozero 3 is a winter tyre made in total of 28 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/40 R20 is 40mm wider than the narrowest dimension (205) and 110mm narrower than the widest one (355). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R20, Winter Sottozero 3 usually competes against WinterContact TS 860S, which is a tyre from Continental with a rating of 0%, compared to 0% of the Pirelli in question.