Firestone Winterhawk 4 is a winter tyre made in total of 102 sizes, ranging from R14 to R14 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/45 R20 is 100mm wider than the narrowest dimension (155) and 20mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In
255/45 R20, Winterhawk 4 usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 82%, compared to 56% of the
Firestone in question.
Winter
Winter
Winter
Winter
