Uniroyal RainSport 3 305/30 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. 305/30 R19 is 120mm wider than the narrowest dimension (185) and -30mm narrower than the widest one (275). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (305mm), which results in 91.5mm sidewall height.