Goodride ZuperEco Z-107 255/60 R18

Goodride ZuperEco Z-107 is a summer tyre made in total of 141 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/60 R18 is 100mm wider than the narrowest dimension (155) and -60mm narrower than the widest one (195). 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.