Michelin Primacy 3 245/55 R17

Michelin Primacy 3 is a summer tyre made in total of 184 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/55 R17 is 50mm wider than the narrowest dimension (195) and -50mm narrower than the widest one (195). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (245mm), which results in 134.75mm sidewall height.