Pirelli P7 235/45 R17

Pirelli P7 is a summer tyre made in total of 12 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/45 R17 is 30mm wider than the narrowest dimension (205) and -10mm narrower than the widest one (225). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height.