Yartu ZuperEco Z-107 245/40 R18

Yartu ZuperEco Z-107 is a summer tyre made in total of 33 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 90mm wider than the narrowest dimension (155) and -10mm narrower than the widest one (235). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height.