Nexen ROADIAN HTX RH5 285/60 R18

Nexen ROADIAN HTX RH5 is a summer tyre made in total of 53 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 285/60 R18 is 60mm wider than the narrowest dimension (225) and -10mm narrower than the widest one (275). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (285mm), which results in 171mm sidewall height.