Yokohama BluEarth winter V905 295/40 R20

Yokohama BluEarth winter V905 is a winter tyre made in total of 533 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 295/40 R20 is 150mm wider than the narrowest dimension (145) and 20mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (295mm), which results in 118mm sidewall height.