Riken Maystorm2 B2 205/50 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. 205/50 R15 is 20mm wider than the narrowest dimension (185) and 40mm narrower than the widest one (245). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (205mm), which results in 102.5mm sidewall height.