Nokian WeatherProof is a allround tyre made in total of 49 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/55 R17 is 50mm wider than the narrowest dimension (155) and 50mm narrower than the widest one (255). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (205mm), which results in 112.75mm sidewall height. In 205/55 R17, there is only one possible speed index for Nokian WeatherProof - "V", which is good for speeds up to 240 km/h. In 205/55 R17, WeatherProof usually competes against Seasonproof, which is a tyre from Nokian with a rating of 66%, compared to 0% of the Nokian in question.
