These breathtaking 7075 T6 aluminum adjustable ball-bearing hubs are direct replacement of standard composite individuals within the kit. The aluminum hubs decrease the friction and work out the vehicle to operate more free with increased the drivetrain effectiveness. Recommended made for stock course in which super low friction drive train is crucial. The aluminum hubs are stronger and much more dependable with a growth of whole life. Colors coated in XRAY distinctive orange color. Set of 2.