Table of contents:
255/55 R18 Uniroyal WinterExpert variants
Uniroyal WinterExpert is a winter tyre made in total of 90 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/55 R18 is 90mm wider than the narrowest dimension (165) and 20mm narrower than the widest one (275). 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 Uniroyal WinterExpert - "V", which is good for speeds up to 240 km/h. In 255/55 R18, WinterExpert usually competes against BluEarth winter V905, which is a tyre from Yokohama with a rating of 52%, compared to 73% of the Uniroyal in question.
Uniroyal WinterExpert is made in 90 sizes, starting from 165/70 R13 up to 275/45 R20.
