Vredestein Ultrac Pro 265/40 R21

Vredestein Ultrac Pro is a summer tyre made in total of 87 sizes, ranging from R18 to R18 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 265/40 R21 is 60mm wider than the narrowest dimension (205) and 30mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (265mm), which results in 106mm sidewall height. In 265/40 R21, Ultrac Pro usually competes against Proxes Sport 2, which is a tyre from Toyo with a rating of 64%, compared to 78% of the Vredestein in question.