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255/40 R18 Nokian WR Snowproof P variants
Nokian WR Snowproof P is a winter tyre made in total of 55 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/40 R18 is 50mm wider than the narrowest dimension (205) and -10mm narrower than the widest one (245). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R18, there is only one possible speed index for Nokian WR Snowproof P - "V", which is good for speeds up to 240 km/h. In 255/40 R18, WR Snowproof P usually competes against EuroWinter HS01, which is a tyre from Falken with a rating of 66%, compared to 50% of the Nokian in question.
Nokian WR Snowproof P is made in 55 sizes, starting from 205/45 R17 up to 245/35 R21.
