Cooper Zeon 4XS Sport 265/45 R20

Cooper Zeon 4XS Sport is a summer tyre made in total of 165 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 265/45 R20 is 50mm wider than the narrowest dimension (215) and 30mm narrower than the widest one (295). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (265mm), which results in 119.25mm sidewall height. In 265/45 R20, Zeon 4XS Sport usually competes against Roadhawk, which is a tyre from Firestone with a rating of 60%, compared to 49% of the Cooper in question.