Vredestein Ultrac Satin 255/60 R18

Vredestein Ultrac Satin is a summer tyre made in total of 71 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/60 R18 is 50mm wider than the narrowest dimension (205) and -20mm narrower than the widest one (235). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (255mm), which results in 153mm sidewall height.