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265/40 R21 Uniroyal RainSport 5 variants
Uniroyal RainSport 5 is a summer tyre made in total of 124 sizes, ranging from R15 to R15 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 265/40 R21 is 80mm wider than the narrowest dimension (185) and 30mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (265mm), which results in 106mm sidewall height. In 265/40 R21, there is only one possible speed index for Uniroyal RainSport 5 - "Y", which is good for speeds up to 300 km/h.
Uniroyal RainSport 5 is made in 124 sizes, starting from 185/55 R15 up to 295/40 R21.