Westlake ZuperEco Z-107 205/40 R17

Westlake ZuperEco Z-107 is a summer tyre made in total of 81 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/40 R17 is 50mm wider than the narrowest dimension (155) and -10mm narrower than the widest one (195). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (205mm), which results in 82mm sidewall height.