Uniroyal AllSeasonExpert 3 is a allround tyre made in total of 49 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/40 R20 is 70mm wider than the narrowest dimension (185) and 0mm narrower than the widest one (255). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In
255/40 R20, AllSeasonExpert 3 usually competes against
Winter Sport 5, which is a tyre from
Dunlop with a rating of 86%, compared to 0% of the
Uniroyal in question.
