Pirelli P ZERO is a summer tyre made in total of 307 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/60 R17 is 10mm wider than the narrowest dimension (205) and 120mm narrower than the widest one (335). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (215mm), which results in 129mm sidewall height. In 215/60 R17, P ZERO usually competes against Ventus S1 evo3 K127, which is a tyre from Hankook with a rating of 74%, compared to 0% of the Pirelli in question.