Dunlop GRANDTREK WT M3 275/55 R19

Dunlop GRANDTREK WT M3 is a winter tyre made in total of 14 sizes, ranging from R18 to R18 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 275/55 R19 is 40mm wider than the narrowest dimension (235) and 0mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (275mm), which results in 151.25mm sidewall height.