Federal Evoluzion ST-1 is a summer tyre made in total of 61 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/50 R17 is 20mm wider than the narrowest dimension (195) and 60mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In
215/50 R17, Evoluzion ST-1 usually competes against
Protech NewGen, which is a tyre from
Viking with a rating of 40%, compared to 48% of the
Federal in question.
