255/40 R21 Dunlop SP Sport MAXX RT2 variants

Weight index

Select: 102102

Speed index

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

This combination is not available.

MFSNo

RunflatNo

Dunlop SP Sport MAXX RT2 is a summer tyre made in total of 101 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 255/40 R21 is 50mm wider than the narrowest dimension (205) and 30mm narrower than the widest one (285). 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 Dunlop SP Sport MAXX RT2 - "Y", which is good for speeds up to 300 km/h.