Vredestein Wintrac Pro is a winter tyre made in total of 130 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/35 R21 is 80mm wider than the narrowest dimension (195) and 50mm narrower than the widest one (325). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (275mm), which results in 96.25mm sidewall height. In
275/35 R21, 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.