Ovation W 586 is a winter tyre made in total of 68 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/50 R20 is 100mm wider than the narrowest dimension (155) and 0mm narrower than the widest one (255). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (255mm), which results in 127.5mm sidewall height. In
255/50 R20, W 586 usually competes against
Blizzak LM-001, which is a tyre from
Bridgestone with a rating of 0%, compared to 0% of the
Ovation in question.
