Dunlop SP Sport 01 is a summer tyre made in total of 67 sizes, ranging from R13 to R13 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 265/45 R21 is 80mm wider than the narrowest dimension (185) and 0mm narrower than the widest one (265). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (265mm), which results in 119.25mm sidewall height. In
265/45 R21, SP Sport 01 usually competes against
Eagle F1 Asymmetric 3, which is a tyre from
Goodyear with a rating of 0%, compared to 0% of the
Dunlop in question.
