Kumho Crugen HP91 285/50 R20

Kumho Crugen HP91 is a summer tyre made in total of 51 sizes, ranging from R16 to R16 - 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.