Firestone Roadhawk 2 275/40 R20

Firestone Roadhawk 2 is a summer tyre made in total of 143 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/40 R20 is 90mm wider than the narrowest dimension (185) and 10mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In 275/40 R20, Roadhawk 2 usually competes against Ecsta PS71, which is a tyre from Kumho with a rating of 86%, compared to 81% of the Firestone in question.