Riken Snow is a winter tyre made in total of 55 sizes, ranging from R15 to R15 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 195/55 R15 is 30mm wider than the narrowest dimension (165) and 50mm narrower than the widest one (245). 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 R15, Snow usually competes against
Winter Sport 5, which is a tyre from
Dunlop with a rating of 86%, compared to 26% of the
Riken in question.
