Uniroyal RainSport 3 is a summer tyre made in total of 110 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/55 R17 is 40mm wider than the narrowest dimension (185) and 50mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In 225/55 R17, there is only one possible speed index for Uniroyal RainSport 3 - "Y", which is good for speeds up to 300 km/h. In 225/55 R17, RainSport 3 usually competes against Roadhawk, which is a tyre from Firestone with a rating of 59%, compared to 0% of the Uniroyal in question.
