Riken Maystorm2 B2 225/45 R17

Riken Maystorm2 B2 is a tyre made in total of 23 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/45 R17 is 40mm wider than the narrowest dimension (185) and 20mm narrower than the widest one (245). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (225mm), which results in 101.25mm sidewall height.