Nankang FORTA FT-7 285/65 R17

Nankang FORTA FT-7 is a tyre made in total of 13 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 285/65 R17 is 90mm wider than the narrowest dimension (195) and -10mm narrower than the widest one (275). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (285mm), which results in 185.25mm sidewall height.