Nokian WR Snowproof is a winter tyre made in total of 59 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/50 R17 is 40mm wider than the narrowest dimension (165) and 10mm narrower than the widest one (215). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (205mm), which results in 102.5mm sidewall height. In 205/50 R17, there are 2 possible speed indexes for Nokian WR Snowproof - "H","V", which are good for speeds up to 210, 240 km/h. In 205/50 R17, WR Snowproof usually competes against MS Plus 77, which is a tyre from Uniroyal with a rating of 55%, compared to 55% of the Nokian in question.
