BFGoodrich All Terrain T/A KO2 275/60 R20

BFGoodrich All Terrain T/A KO2 is a summer tyre made in total of 45 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 60mm wider than the narrowest dimension (215) and 50mm narrower than the widest one (325). 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.