Pirelli WINTER 270 SOTTOZERO SERIE II 265/35 R21

Pirelli WINTER 270 SOTTOZERO SERIE II is a winter tyre made in total of 30 sizes, ranging from R19 to R19 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 265/35 R21 is 30mm wider than the narrowest dimension (235) and 40mm narrower than the widest one (305). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (265mm), which results in 92.75mm sidewall height.