Nexen N fera Sport is a summer tyre made in total of 22 sizes, ranging from R16 to R16 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (205mm), which results in 133.25mm sidewall height. In 205/65 R16, there is only one possible speed index for Nexen N fera Sport - "", which is good for speeds up to km/h.