A Set of Aluminium Hub Centric Rings 66.56x74.1mm A set of Four Aluminium Hub Centric Rings. Removes vibration from non hub centric wheels on your car. A set of Four Polycarbonate Hub Centric Rings. Removes vibration from non hub centric wheels on your car. Hub size (Vehicle Side): 66.56mm to (Wheel Side): 74.1mm