255/40 R20 Hankook Winter I-Cept iOn X variants
Hankook Winter I-Cept iOn X is a winter tyre made in total of 23 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/40 R20 is 20mm wider than the narrowest dimension (235) and 40mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R20, there is only one possible speed index for Hankook Winter I-Cept iOn X - "V", which is good for speeds up to 240 km/h.
Hankook Winter I-Cept iOn X is made in 23 sizes, starting from 235/60 R18 up to 295/35 R22.
