Pirelli Scorpion Winter 2 is a winter tyre made in total of 88 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 235/55 R20 is 10mm wider than the narrowest dimension (225) and 90mm narrower than the widest one (325). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. In
235/55 R20, Scorpion Winter 2 usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 87%, compared to 86% of the
Pirelli in question.