Pirelli St:01 205/65 R17.5

Pirelli St:01 is a summer tyre made in total of 17 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (205mm), which results in 133.25mm sidewall height.