Vredestein Ultrac Pro 255/50 R19

Vredestein Ultrac Pro is a summer tyre made in total of 91 sizes, ranging from R18 to R18 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/50 R19 is 50mm wider than the narrowest dimension (205) and 100mm narrower than the widest one (355). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (255mm), which results in 127.5mm sidewall height.