Kormoran Ultra High Performance 235/55 R17

Kormoran Ultra High Performance is a summer tyre made in total of 55 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/55 R17 is 30mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (255). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height.