Imperial Snowdragon HP is a winter tyre made in total of 64 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 195/55 R20 is 50mm wider than the narrowest dimension (145) and 0mm narrower than the widest one (195). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (195mm), which results in 107.25mm sidewall height. In
195/55 R20, Snowdragon HP usually competes against
Winter Sport 5, which is a tyre from
Dunlop with a rating of 86%, compared to 9% of the
Imperial in question.
