Hankook Dynapro AT-M RF10 255/55 R19

Hankook Dynapro AT-M RF10 is a summer tyre made in total of 39 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/55 R19 is 60mm wider than the narrowest dimension (195) and 0mm narrower than the widest one (255). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (255mm), which results in 140.25mm sidewall height.