255/45 R21 Michelin Primacy 4 variants

Weight index

Select: 106106

Speed index

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

This combination is not available.

MFSNo

RunflatNo

Special: XL

Michelin Primacy 4 is a summer tyre made in total of 466 sizes, ranging from R14 to R14 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 255/45 R21 is 100mm wider than the narrowest dimension (155) and -115mm narrower than the widest one (140). 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 R21, there is only one possible speed index for Michelin Primacy 4 - "Y", which is good for speeds up to 300 km/h. In 255/45 R21, Primacy 4 usually competes against Turanza T005, which is a tyre from Bridgestone with a rating of 91%, compared to 77% of the Michelin in question.