Hankook Ventus Evo is a summer tyre made in total of 139 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 345/25 R21 is 140mm wider than the narrowest dimension (205) and -10mm narrower than the widest one (335). This tyre profile of 25 means the sidewall height of the tyre is 25% of the tyre width (345mm), which results in 86.25mm sidewall height. In
345/25 R21, Ventus Evo usually competes against
Pilot Sport 4 S, which is a tyre from
Michelin with a rating of 97%, compared to 99% of the
Hankook in question.