Sentury Qirin 990 is a summer tyre made in total of 113 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/30 R20 is 120mm wider than the narrowest dimension (155) and 0mm narrower than the widest one (275). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (275mm), which results in 82.5mm sidewall height. In
275/30 R20, Qirin 990 usually competes against
Sport Master, which is a tyre from
Linglong with a rating of 77%, compared to 14% of the
Sentury in question.
