Imperial All Season Driver 245/35 R20

Imperial All Season Driver is a allround tyre made in total of 139 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/35 R20 is 100mm wider than the narrowest dimension (145) and 30mm narrower than the widest one (275). 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.