Gripmax SureGrip Pro Sport is a summer tyre made in total of 120 sizes, ranging from R18 to R18 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 235/45 R21 is 30mm wider than the narrowest dimension (205) and 120mm narrower than the widest one (355). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In
235/45 R21, SureGrip Pro Sport usually competes against
Sport Master, which is a tyre from
Linglong with a rating of 77%, compared to 32% of the
Gripmax in question.
