Michelin Pilot Sport S 5 is a summer tyre made in total of 37 sizes, ranging from R19 to R19 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 285/30 R20 is 60mm wider than the narrowest dimension (225) and -10mm narrower than the widest one (275). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (285mm), which results in 85.5mm sidewall height. In
285/30 R20, Pilot Sport S 5 usually competes against
Eagle F1 Asymmetric 5, which is a tyre from
GoodYear with a rating of 0%, compared to 0% of the
Michelin in question.