Yokohama V105S 285/30 R20

Yokohama V105S is a summer tyre made in total of 8 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 285/30 R20 is 70mm wider than the narrowest dimension (215) and 0mm narrower than the widest one (285). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (285mm), which results in 85.5mm sidewall height.