Barum Polaris 3 4x4 is a winter tyre made in total of 15 sizes, ranging from R15 to R15 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 265/70 R16 is 60mm wider than the narrowest dimension (205) and -10mm narrower than the widest one (255). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (265mm), which results in 185.5mm sidewall height. In 265/70 R16, there is only one possible speed index for Barum Polaris 3 4x4 - "T", which is good for speeds up to 190 km/h.