Hot Racing front or rear wheel weights for Hot Racing +4mm Steel Drive Stub (SXTF39W04) on the Axial SCX24Features:- CNC machined solid brass billet- 5g each fitted to the +4mm Steel Drive Stub Axlex lower the vehicles center of gravity, increase its stability, improve climbing, reduce the chance for flipping backwards, and make for an overall more capable crawlerIncluded:- Four (4) 5g brass +4mm Steel Drive Stub Axlex weightRequirements:- Hot Racing +4mm Steel Drive Stub (SXTF39W04)