Imperial Snowdragon 3 is a winter tyre made in total of 43 sizes, ranging from R15 to R15 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/40 R19 is 80mm wider than the narrowest dimension (175) and 20mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In
255/40 R19, Snowdragon 3 usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 82%, compared to 0% of the
Imperial in question.
