245/45 R20 Federal Evoluzion ST-1 variants

Weight index

Select: 103103

Speed index

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

This combination is not available.

MFSNo

RunflatNo

Special: XL

Federal Evoluzion ST-1 is a summer tyre made in total of 31 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/45 R20 is 50mm wider than the narrowest dimension (195) and 30mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In 245/45 R20, there is only one possible speed index for Federal Evoluzion ST-1 - "Y", which is good for speeds up to 300 km/h. In 245/45 R20, Evoluzion ST-1 usually competes against ZV7, which is a tyre from Avon with a rating of 17%, compared to 36% of the Federal in question.