ST Racing Concepts STLB2103R Aluminum Rear Hub Carriers for The Losi Ten-SCTE, Red (1 Pair) Our rear hub carriers features a set-screw over hinge-pin design that securely keep the hub carriers on the hinge-pins Keep the wear to a minimum by making the hinge-pins rotate in the arms and not in the aluminum hub carriers Increase the durability and add an awesome factory look to your Losi 4x4