Michelin Pilot Super Sport is a summer tyre made in total of 156 sizes, ranging from R17 to R17 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 275/35 R22 is 70mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (315). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (275mm), which results in 96.25mm sidewall height. In 275/35 R22, there is only one possible speed index for Michelin Pilot Super Sport - "Y", which is good for speeds up to 300 km/h.