Radar Dimax R8 225/35 R20

Radar Dimax R8 is a summer tyre made in total of 18 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 225/35 R20 is 30mm wider than the narrowest dimension (195) and 30mm narrower than the widest one (255). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (225mm), which results in 78.75mm sidewall height.