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245/40 R18 Imperial SnowDragon UHP variants
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Imperial SnowDragon UHP is a winter tyre made in total of 61 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 40mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R18, there is only one possible speed index for Imperial SnowDragon UHP - "V", which is good for speeds up to 240 km/h. In 245/40 R18, SnowDragon UHP usually competes against UltraGrip Performance Gen-1, which is a tyre from Goodyear with a rating of 0%, compared to 0% of the Imperial in question.
Imperial SnowDragon UHP is made in 61 sizes, starting from 205/55 R16 up to 295/35 R21.
