Hankook Dynapro AT-M RF10 is a summer tyre made in total of 34 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 265/65 R17 is 70mm wider than the narrowest dimension (195) and -10mm narrower than the widest one (255). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (265mm), which results in 172.25mm sidewall height. In 265/65 R17, there is only one possible speed index for Hankook Dynapro AT-M RF10 - "T", which is good for speeds up to 190 km/h. Latest test in 265/65 R17 was held by DriveOut in 2017, where Dynapro AT-M RF10 received rating "" and finished on the 4. place. It was tested on a .