Hankook Winter i*cept evo3 X W330A is a winter tyre made in total of 74 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/45 R20 is 40mm wider than the narrowest dimension (215) and 60mm narrower than the widest one (315). 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, there is only one possible speed index for Hankook Winter i*cept evo3 X W330A - "V", which is good for speeds up to 240 km/h. In 255/45 R20, Winter i*cept evo3 X W330A usually competes against WinterContact TS 850P SUV, which is a tyre from Continental with a rating of 74%, compared to 72% of the Hankook in question.