215/50 R18 Barum Polaris 5 4x4 variants
Barum Polaris 5 4x4 is a winter tyre made in total of 18 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 10mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (255). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In 215/50 R18, there is only one possible speed index for Barum Polaris 5 4x4 - "V", which is good for speeds up to 240 km/h.
Barum Polaris 5 4x4 is made in 18 sizes, starting from 205/70 R15 up to 255/50 R19.