Headway HU901 245/35 R20

Headway HU901 is a summer tyre made in total of 46 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/35 R20 is 50mm wider than the narrowest dimension (195) and 10mm narrower than the widest one (255). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (245mm), which results in 85.75mm sidewall height.