Pirelli Cinturato P7 275/45 R18

Pirelli Cinturato P7 is a summer tyre made in total of 230 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 275/45 R18 is 70mm wider than the narrowest dimension (205) and -80mm narrower than the widest one (195). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height.