Imperial SnowDragon SUV 255/60 R17

Imperial SnowDragon SUV is a winter tyre made in total of 15 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 255/60 R17 is 40mm wider than the narrowest dimension (215) and 20mm narrower than the widest one (275). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (255mm), which results in 153mm sidewall height.