Michelin Pilot Sport 4S is a summer tyre made in total of 51 sizes, ranging from R17 to R17 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 275/30 R22 is 50mm wider than the narrowest dimension (225) and 50mm narrower than the widest one (325). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (275mm), which results in 82.5mm sidewall height.
Summer
