Nokian Snowproof 2 SUV 275/40 R21

Nokian Snowproof 2 SUV is a winter tyre made in total of 60 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/40 R21 is 60mm wider than the narrowest dimension (215) and 20mm narrower than the widest one (295). 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, Snowproof 2 SUV usually competes against Ventus Prime 4, which is a tyre from Hankook with a rating of 74%, compared to 61% of the Nokian in question.