Radar Dimax R8+ is a summer tyre made in total of 147 sizes, ranging from R13 to R13 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 255/40 R21 is 40mm wider than the narrowest dimension (215) and 40mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In
255/40 R21, Dimax R8+ usually competes against
Sport Master, which is a tyre from
Linglong with a rating of 77%, compared to 36% of the
Radar in question.
