Hankook ION FlexClimate 235/45 R18

Hankook ION FlexClimate is a allround tyre made in total of 27 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/45 R18 is 20mm wider than the narrowest dimension (215) and 20mm narrower than the widest one (255). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height.