Royal Black Royal Commercial 215/65 R15

Royal Black Royal Commercial is a tyre made in total of 18 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 215/65 R15 is 50mm wider than the narrowest dimension (165) and 20mm narrower than the widest one (235). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (215mm), which results in 139.75mm sidewall height.