Michelin Pilot Sport EV 255/45 R19

Michelin Pilot Sport EV is a summer tyre made in total of 91 sizes, ranging from R19 to R19 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/45 R19 is 30mm wider than the narrowest dimension (225) and 60mm narrower than the widest one (315). 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.