Nankang Comfort ECO-2+ is a tyre made in total of 26 sizes, ranging from R13 to R13 - this particular dimension is R12, which means it fits to a 12 inch/304.8mm diameter wheel. This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (165mm), which results in 99mm sidewall height. In 165/60 R12, there is only one possible speed index for Nankang Comfort ECO-2+ - "", which is good for speeds up to km/h.