255/55 R18 Riken All Season Suv variants
Riken All Season Suv is a tyre made in total of 17 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/55 R18 is 50mm wider than the narrowest dimension (205) and 0mm narrower than the widest one (255). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (255mm), which results in 140.25mm sidewall height. In 255/55 R18, there is only one possible speed index for Riken All Season Suv - "V", which is good for speeds up to 240 km/h.
255/55 R18 109 V
Riken All Season Suv is made in 17 sizes, starting from 205/70 R15 up to 255/55 R18.
