Royal Black Royalwinter UHP is a winter tyre made in total of 37 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 10mm wider than the narrowest dimension (215) and 50mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height. In
225/50 R17, Black winter UHP usually competes against
Snowpower UHP, which is a tyre from
Tristar with a rating of 0%, compared to 16% of the
Royal in question. Latest test in
225/50 R17 was held by ADAC in 2026, where Black winter UHP received rating "Poor" and finished on the 15. place. It was tested on a
Audi A4 Avant.
Winter
