Imperial SnowDragon UHP is a winter tyre made in total of 68 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/50 R17 is 30mm wider than the narrowest dimension (175) and 90mm narrower than the widest one (295). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (205mm), which results in 102.5mm sidewall height. In
205/50 R17, SnowDragon UHP usually competes against
UltraGrip Performance Gen-1, which is a tyre from
Goodyear with a rating of 0%, compared to 17% of the
Imperial in question.