Imperial All Season Driver 255/30 R19

Imperial All Season Driver is a allround tyre made in total of 139 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/30 R19 is 110mm wider than the narrowest dimension (145) and 20mm narrower than the widest one (275). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (255mm), which results in 76.5mm sidewall height.