Michelin PILOT ALPIN 5 275/50 R22

Michelin PILOT ALPIN 5 is a winter tyre made in total of 135 sizes, ranging from R16 to R16 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 275/50 R22 is 70mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (315). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (275mm), which results in 137.5mm sidewall height.