225/55 R18 Nokian WetProof 1 variants
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Nokian WetProof 1 is a summer tyre made in total of 45 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/55 R18 is 50mm wider than the narrowest dimension (175) and -30mm narrower than the widest one (195). 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 R18, there is only one possible speed index for Nokian WetProof 1 - "V", which is good for speeds up to 240 km/h. In 225/55 R18, WetProof 1 usually competes against Roadhawk, which is a tyre from Firestone with a rating of 59%, compared to 0% of the Nokian in question.
Nokian WetProof 1 is made in 45 sizes, starting from 175/65 R15 up to 195/55 R20.
