Nankang Econex NA-1 is a tyre made in total of 53 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/55 R17 is 80mm wider than the narrowest dimension (135) and -40mm narrower than the widest one (175). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height. In 215/55 R17, Econex NA-1 usually competes against , which is a tyre from with a rating of %, compared to 0% of the Nankang in question.