Riken Road-Terrain 245/75 R16

Riken Road-Terrain is a tyre made in total of 15 sizes, ranging from R15 to R15 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 245/75 R16 is 10mm wider than the narrowest dimension (235) and 40mm narrower than the widest one (285). This tyre profile of 75 means the sidewall height of the tyre is 75% of the tyre width (245mm), which results in 183.75mm sidewall height.