Uniroyal RainSport 5 is a summer tyre made in total of 137 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/40 R20 is 60mm wider than the narrowest dimension (185) and 50mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In
245/40 R20, RainSport 5 usually competes against
Goodrich Advantage 2, which is a tyre from
BF with a rating of 67%, compared to 69% of the
Uniroyal in question.