Hot Racing Axial SCX24 Brass Axle Weight are a must have option for the Hot Racing +4mm Steel Drive Stub Axle Set (HRASXTF39W04). These brass weights weigh 5 grams each and will help to lower the vehicles center of gravity and increase stability, helping to improve climbing, reduce the chance for flipping backwards, and make for an overall more capable crawler. 

• CNC machined solid brass billet
• 5g each 
• Lower the vehicles center of gravity, increase its stability, improve climbing, reduce the chance for flipping backwards, and make for an overall more capable crawler

• (4) 5g brass +4mm Steel Drive Stub Axlex weight