Royal Black Royal Mile 175/50 R15

Royal Black Royal Mile is a tyre made in total of 67 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 175/50 R15 is 30mm wider than the narrowest dimension (145) and 60mm narrower than the widest one (235). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (175mm), which results in 87.5mm sidewall height.