Nokian WetProof 1 225/60 R18

Nokian WetProof 1 is a summer tyre made in total of 46 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/60 R18 is 50mm wider than the narrowest dimension (175) and -30mm narrower than the widest one (195). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (225mm), which results in 135mm sidewall height.