Uniroyal WinterExpert 255/40 R19

Uniroyal WinterExpert is a winter tyre made in total of 100 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/40 R19 is 90mm wider than the narrowest dimension (165) and 20mm narrower than the widest one (275). 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 R19, WinterExpert usually competes against KRISALP HP3, which is a tyre from Kleber with a rating of 80%, compared to 81% of the Uniroyal in question.