Kumho Ecsta PS91 295/30 R20

Kumho Ecsta PS91 is a summer tyre made in total of 50 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 295/30 R20 is 70mm wider than the narrowest dimension (225) and -20mm narrower than the widest one (275). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (295mm), which results in 88.5mm sidewall height.