Keep your Traxxas TRX-4M drivetrain running smoothly with this Treal Hobby ball bearing kit. The set features high-quality metal-shielded bearings designed to reduce friction throughout the drivetrain for smoother operation. Lower friction can help improve drivetrain efficiency, reduce component wear, and deliver more consistent power transfer to the wheels. With 22 bearings included, this kit provides a complete bearing upgrade for the TRX-4M.