These beautiful 7075 T6 aluminium adjustable ball-bearing hubs are direct replacement of the standard composite ones included in the kit. The aluminium hubs reduce the friction and make the car to run more free with increased the drivetrain efficiency. Suggested especially for stock class where super low friction drive train is important. The aluminium hubs are stronger and more reliable with increased life span. Colour coated in XRAY distinctive orange colour. Set of 2.