Kumho WinterCraft WS71 SUV is a winter tyre made in total of 37 sizes, ranging from R15 to R15 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/45 R21 is 20mm wider than the narrowest dimension (255) and -10mm narrower than the widest one (265). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In
275/45 R21, WinterCraft WS71 SUV usually competes against
Turanza All Season 6, which is a tyre from
Bridgestone with a rating of 90%, compared to 0% of the
Kumho in question.
