Barum Polaris 6 is a winter tyre made in total of 25 sizes, ranging from R15 to R15 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 195/65 R15 is 20mm wider than the narrowest dimension (175) and 40mm narrower than the widest one (235). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (195mm), which results in 126.75mm sidewall height. In 195/65 R15, there are 2 possible speed indexes for Barum Polaris 6 - "T","H", which are good for speeds up to 190, 210 km/h. In 195/65 R15, Polaris 6 usually competes against Winguard Snow G3 WH21, which is a tyre from Nexen with a rating of 60%, compared to 0% of the Barum in question.