315/30 R21 Kumho Ecsta Sport (PS72) variants

Weight index

Select: 105105

Speed index

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

This combination is not available.

MFSNo

RunflatNo

Kumho Ecsta Sport (PS72) is a summer tyre made in total of 79 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 315/30 R21 is 110mm wider than the narrowest dimension (205) and 0mm narrower than the widest one (315). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (315mm), which results in 94.5mm sidewall height. In 315/30 R21, there is only one possible speed index for Kumho Ecsta Sport (PS72) - "Y", which is good for speeds up to 300 km/h.