Royal Black Royal Snow 275/60 R20

Royal Black Royal Snow is a tyre made in total of 50 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/60 R20 is 100mm wider than the narrowest dimension (175) and 0mm narrower than the widest one (275). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (275mm), which results in 165mm sidewall height.