Barum Polaris 6 175/50 R15

Barum Polaris 6 is a winter tyre made in total of 99 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 175/50 R15 is 20mm wider than the narrowest dimension (155) and 80mm narrower than the widest one (255). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (175mm), which results in 87.5mm sidewall height.