Pirelli P ZERO Rosso Direzionale 245/45 R18

Pirelli P ZERO Rosso Direzionale is a summer tyre made in total of 4 sizes, ranging from R18 to R18 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height.