225/40 R18 Royal Black Royal Performance variants

Weight index

Select: 9292

Speed index

Select: Select, W (270 km/h)W (270 km/h)

This combination is not available.

MFSNo

RunflatNo

Royal Black Royal Performance is a tyre made in total of 68 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 30mm wider than the narrowest dimension (195) and 60mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. In 225/40 R18, there is only one possible speed index for Royal Black Royal Performance - "W", which is good for speeds up to 270 km/h.