Yokohama Geolandar H/T G056 285/50 R20

Yokohama Geolandar H/T G056 is a summer tyre made in total of 27 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 285/50 R20 is 70mm wider than the narrowest dimension (215) and -10mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (285mm), which results in 142.5mm sidewall height.