Hankook Tl20 is a summer tyre made in total of 8 sizes, ranging from R19 to R19 - this particular dimension is R23, which means it fits to a 23 inch/584.2mm diameter wheel. This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (385mm), which results in 250.25mm sidewall height. In 385/65 R22.5, there is only one possible speed index for Hankook Tl20 - "", which is good for speeds up to km/h.