Hankook Ventus Evo is a summer tyre made in total of 41 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 235/45 R19 is 10mm wider than the narrowest dimension (225) and 80mm narrower than the widest one (315). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In 235/45 R19, there is only one possible speed index for Hankook Ventus Evo - "Y", which is good for speeds up to 300 km/h. In 235/45 R19, Ventus Evo usually competes against Turanza T005, which is a tyre from Bridgestone with a rating of 91%, compared to 90% of the Hankook in question.