Nankang SP-9 Cross Sport 225/60 R17

Nankang SP-9 Cross Sport is a tyre made in total of 28 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/60 R17 is 10mm wider than the narrowest dimension (215) and 90mm narrower than the widest one (315). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (225mm), which results in 135mm sidewall height.