Hankook Ventus S1 evo K107 325/25 R20

Hankook Ventus S1 evo K107 is a summer tyre made in total of 28 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 325/25 R20 is 130mm wider than the narrowest dimension (195) and -60mm narrower than the widest one (265). This tyre profile of 25 means the sidewall height of the tyre is 25% of the tyre width (325mm), which results in 81.25mm sidewall height.