Pirelli P ZERO is a summer tyre made in total of 411 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/50 R18 is 20mm wider than the narrowest dimension (205) and 100mm narrower than the widest one (325). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height. In
225/50 R18, P ZERO usually competes against
Ventus S1 evo3 K127, which is a tyre from
Hankook with a rating of 81%, compared to 0% of the
Pirelli in question.