255/45 R18 Uniroyal RainSport 3 variants

Weight index

Select: 99, 10399103

Speed index

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

This combination is not available.

MFSYes (255/45 R18 103 Y)

RunflatNo ( Pirelli Cinturato P7)

Special: XL

Uniroyal RainSport 3 is a summer tyre made in total of 110 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/45 R18 is 70mm wider than the narrowest dimension (185) and 20mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In 255/45 R18, there is only one possible speed index for Uniroyal RainSport 3 - "Y", which is good for speeds up to 300 km/h.