Atlas Polarbear UHP is a winter tyre made in total of 34 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/55 R17 is 50mm wider than the narrowest dimension (185) and 10mm narrower than the widest one (245). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. In
235/55 R17, Polarbear UHP usually competes against
Winter, which is a tyre from
Dunlop with a rating of 96%, compared to 6% of the
Atlas in question.
