Yokohama W.drive V902B 255/45 R19

Yokohama W.drive V902B is a winter tyre made in total of 20 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/45 R19 is 10mm wider than the narrowest dimension (245) and 10mm narrower than the widest one (265). 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.