Goodyear Vector 4Seasons Gen-2 235/50 R18

Goodyear Vector 4Seasons Gen-2 is a allround tyre made in total of 111 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/50 R18 is 80mm wider than the narrowest dimension (155) and -40mm narrower than the widest one (195). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (235mm), which results in 117.5mm sidewall height.