Uniroyal RainSport 3 255/30 R19

Uniroyal RainSport 3 is a summer tyre made in total of 111 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/30 R19 is 70mm wider than the narrowest dimension (185) and 20mm narrower than the widest one (275). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (255mm), which results in 76.5mm sidewall height.