Metzeler Cruisetec 240/40 R18

Metzeler Cruisetec is a summer tyre made in total of 22 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 240/40 R18 is 100mm wider than the narrowest dimension (140) and 20mm narrower than the widest one (260). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (240mm), which results in 96mm sidewall height.