Yokohama Advan Winter V907 245/40 R19

Yokohama Advan Winter V907 is a winter tyre made in total of 40 sizes, ranging from R19 to R19 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 245/40 R19 is 20mm wider than the narrowest dimension (225) and 70mm narrower than the widest one (315). 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.