Hankook Winter RW06 is a winter tyre made in total of 43 sizes, ranging from R13 to R13 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 215/65 R16 is 50mm wider than the narrowest dimension (165) and 0mm narrower than the widest one (215). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (215mm), which results in 139.75mm sidewall height. In 215/65 R16, there are 3 possible speed indexes for Hankook Winter RW06 - "T","","R", which are good for speeds up to 190, , 170 km/h.