Nexen Winguard Ice 3 255/40 R19

Nexen Winguard Ice 3 is a winter tyre made in total of 55 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/40 R19 is 80mm wider than the narrowest dimension (175) and -20mm narrower than the widest one (235). 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.