Nokian Wetproof SUV 255/60 R17

Nokian Wetproof SUV is a summer tyre made in total of 27 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 255/60 R17 is 40mm wider than the narrowest dimension (215) and -30mm narrower than the widest one (225). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (255mm), which results in 153mm sidewall height.