Riken Maystorm2 B2 215/65 R15

Riken Maystorm2 B2 is a tyre made in total of 23 sizes, ranging from R15 to R15 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 215/65 R15 is 30mm wider than the narrowest dimension (185) and 30mm narrower than the widest one (245). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (215mm), which results in 139.75mm sidewall height.