Vredestein Wintrac Pro is a winter tyre made in total of 128 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 20mm wider than the narrowest dimension (195) and 110mm narrower than the widest one (325). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In
215/50 R18, Wintrac Pro usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 82%, compared to 54% of the
Vredestein in question.