Hankook Ventus Prime4 K135 is a summer tyre made in total of 52 sizes, ranging from R16 to R16 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 225/60 R16 is 30mm wider than the narrowest dimension (195) and -30mm narrower than the widest one (195). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (225mm), which results in 135mm sidewall height. In 225/60 R16, there is only one possible speed index for Hankook Ventus Prime4 K135 - "W", which is good for speeds up to 270 km/h. In 225/60 R16, Ventus Prime4 K135 usually competes against Cinturato P7, which is a tyre from Pirelli with a rating of 75%, compared to 0% of the Hankook in question.