Vredestein Quatrac Pro 275/40 R21

Vredestein Quatrac Pro is a allround tyre made in total of 108 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/40 R21 is 70mm wider than the narrowest dimension (205) and 10mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In 275/40 R21, Quatrac Pro usually competes against Quatrac Pro+, which is a tyre from Vredestein with a rating of 69%, compared to 68% of the Vredestein in question.