Hankook Ventus S1 evo3 K127C is a summer tyre made in total of 10 sizes, ranging from R19 to R19 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. In 235/55 R19, there is only one possible speed index for Hankook Ventus S1 evo3 K127C - "V", which is good for speeds up to 240 km/h.