255/55 R18 Cooper Weather-Master Wsc variants
Cooper Weather-Master Wsc is a tyre made in total of 33 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 10mm narrower than the widest one (265). 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 Cooper Weather-Master Wsc - "T", which is good for speeds up to 190 km/h.
255/55 R18 109 T
Cooper Weather-Master Wsc is made in 33 sizes, starting from 205/70 R15 up to 265/50 R20.
