Hankook Dynapro AT2 RF11 is a allround tyre made in total of 35 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 265/70 R17 is 235mm wider than the narrowest dimension (30) and 10mm narrower than the widest one (275). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (265mm), which results in 185.5mm sidewall height. In 265/70 R17, there are 2 possible speed indexes for Hankook Dynapro AT2 RF11 - "T","S", which are good for speeds up to 190, 180 km/h.