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 R16.5 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 R16.5, there are 2 possible speed indexes for Hankook Dynapro AT2 RF11 - "T","S", which are good for speeds up to 190, 180 km/h.