Vredestein Wintrac Pro+ is a winter tyre made in total of 63 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 255/35 R21 is 50mm wider than the narrowest dimension (205) and 70mm narrower than the widest one (325). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In
255/35 R21, Wintrac Pro+ usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 82%, compared to 67% of the
Vredestein in question.