Pirelli P ZERO Asimmetrico 285/45 R18

Pirelli P ZERO Asimmetrico is a summer tyre made in total of 23 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 285/45 R18 is 80mm wider than the narrowest dimension (205) and -30mm narrower than the widest one (255). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (285mm), which results in 128.25mm sidewall height.