Hankook W462 Winter i*cept RS3 is a winter tyre made in total of 78 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 195/45 R17 is 30mm wider than the narrowest dimension (165) and 30mm narrower than the widest one (225). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (195mm), which results in 87.75mm sidewall height. In 195/45 R17, there is only one possible speed index for Hankook W462 Winter i*cept RS3 - "H", which is good for speeds up to 210 km/h. In 195/45 R17, W462 Winter i*cept RS3 usually competes against Ventus Prime 4, which is a tyre from Hankook with a rating of 77%, compared to 78% of the Hankook in question.