Imperial Snowdragon 3 185/55 R16

Imperial Snowdragon 3 is a winter tyre made in total of 41 sizes, ranging from R15 to R15 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 185/55 R16 is 10mm wider than the narrowest dimension (175) and 90mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (185mm), which results in 101.75mm sidewall height.