Michelin CrossClimate 2 A/W SUV is a allround tyre made in total of 9 sizes, ranging from R18 to R18 - 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 (245mm), which results in 134.75mm sidewall height. In 245/55 R19, there is only one possible speed index for Michelin CrossClimate 2 A/W SUV - "V", which is good for speeds up to 240 km/h.