Norauto 4Seasons 2 225/50 R18

Norauto 4Seasons 2 is a allround tyre made in total of 55 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/50 R18 is 70mm wider than the narrowest dimension (155) and -30mm narrower than the widest one (195). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height.