These breathtaking 7075 T6 aluminum adjustable ball-bearing hubs are direct replacement of standard composite people within the kit. The aluminum hubs lessen the friction and work out the vehicle to operate more free with an increase of the drivetrain effectiveness. Suggested specifically for stock course where super low friction drive train is essential. The aluminum hubs are stronger and more dependable with an increase of expected life. Ebony coated. Group of 2.