Nankang Greensport Eco 2+ is a tyre made in total of 14 sizes, ranging from R13 to R13 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 195/65 R16 is 60mm wider than the narrowest dimension (135) and 40mm narrower than the widest one (235). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (195mm), which results in 126.75mm sidewall height. In 195/65 R16, there is only one possible speed index for Nankang Greensport Eco 2+ - "", which is good for speeds up to km/h.