Greentrac Quest-X is a summer tyre made in total of 13 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 275/45 R21 is 50mm wider than the narrowest dimension (225) and 0mm narrower than the widest one (275). 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, Quest-X usually competes against
Quatrac Pro, which is a tyre from
Vredestein with a rating of 68%, compared to 70% of the
Greentrac in question.
Summer
