Falken Azenis FK510 SUV is a summer tyre made in total of 62 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 285/40 R21 is 50mm wider than the narrowest dimension (235) and 10mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (285mm), which results in 114mm sidewall height. In
285/40 R21, Azenis FK510 SUV usually competes against
Ecsta PS71 SUV, which is a tyre from
Kumho with a rating of 59%, compared to 0% of the
Falken in question.