Pirelli Scorpion Winter 2 is a winter tyre made in total of 77 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/45 R20 is 50mm wider than the narrowest dimension (225) and 50mm narrower than the widest one (325). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In
275/45 R20, Scorpion Winter 2 usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 82%, compared to 83% of the
Pirelli in question.