Sumitomo Bc100 185/70 R14

Sumitomo Bc100 is a tyre made in total of 137 sizes, ranging from R13 to R13 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. 185/70 R14 is 40mm wider than the narrowest dimension (145) and 70mm narrower than the widest one (255). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (185mm), which results in 129.5mm sidewall height.