Uniroyal RainSport 3 is a summer tyre made in total of 110 sizes, ranging from R14 to R14 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (185mm), which results in 101.75mm sidewall height. In 185/55 R14, there is only one possible speed index for Uniroyal RainSport 3 - "H", which is good for speeds up to 210 km/h. In 185/55 R14, RainSport 3 usually competes against Advantage, which is a tyre from BFGoodrich with a rating of 76%, compared to 51% of the Uniroyal in question.