Pirelli Cinturato Winter 2 225/55 R18

Pirelli Cinturato Winter 2 is a winter tyre made in total of 60 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/55 R18 is 30mm wider than the narrowest dimension (195) and -10mm narrower than the widest one (215). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height.