Hankook Ventus ST RH06 is a summer tyre made in total of 10 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In 275/40 R20, there is only one possible speed index for Hankook Ventus ST RH06 - "W", which is good for speeds up to 270 km/h.
275/40 R20 is found on 8 vehicles: