Michelin Primacy 5 275/45 R21

Michelin Primacy 5 is a summer tyre made in total of 168 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/45 R21 is 80mm wider than the narrowest dimension (195) and 0mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In 275/45 R21, Primacy 5 usually competes against Turanza T005, which is a tyre from Bridgestone with a rating of 83%, compared to 84% of the Michelin in question.