Riken All Season is a tyre made in total of 65 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 80mm wider than the narrowest dimension (145) and -20mm narrower than the widest one (205). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height.
225/40 R18 Riken All Season variants
225/40 R18 92 W
EAN: 3528709688734
225/40 R18 92 Y
EAN: 3528703240129
