Riken Maystorm2 B2 245/35 R18

Riken Maystorm2 B2 is a tyre made in total of 23 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/35 R18 is 60mm wider than the narrowest dimension (185) and 0mm narrower than the widest one (245). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (245mm), which results in 85.75mm sidewall height.