GoodYear Vector 4Seasons Gen-3 235/40 R20

GoodYear Vector 4Seasons Gen-3 is a allround tyre made in total of 210 sizes, ranging from R14 to R14 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 235/40 R20 is 60mm wider than the narrowest dimension (175) and 30mm narrower than the widest one (265). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (235mm), which results in 94mm sidewall height.