255/40 R21 Uniroyal RainSport 5 variants

Weight index

Select: 102102

Speed index

Select: Select, Y (300 km/h)Y (300 km/h)

This combination is not available.

MFSNo

RunflatNo

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. 255/40 R21 is 70mm wider than the narrowest dimension (185) 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, there is only one possible speed index for Uniroyal RainSport 5 - "Y", which is good for speeds up to 300 km/h. In 255/40 R21, RainSport 5 usually competes against Ecsta PS71, which is a tyre from Kumho with a rating of 68%, compared to 64% of the Uniroyal in question.