Pirelli Cinturato P7 255/45 R17

Pirelli Cinturato P7 is a summer tyre made in total of 230 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 255/45 R17 is 50mm wider than the narrowest dimension (205) and -60mm narrower than the widest one (195). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height.