Hankook Ventus S1 evo2 K117 is a summer tyre made in total of 106 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 40mm wider than the narrowest dimension (205) and 60mm narrower than the widest one (305). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R18, there are 2 possible speed indexes for Hankook Ventus S1 evo2 K117 - "W","Y", which are good for speeds up to 270, 300 km/h. In 245/40 R18, Ventus S1 evo2 K117 usually competes against Crossclimate 2, which is a tyre from Michelin with a rating of 93%, compared to 0% of the Hankook in question.
