Michelin Primacy A/S 275/50 R22

Michelin Primacy A/S is a allround tyre made in total of 10 sizes, ranging from R20 to R20 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 275/50 R22 is 20mm wider than the narrowest dimension (255) and 10mm narrower than the widest one (285). 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.