Brand: Yeah Racing
Part Number: YEA-TR4M-004GD
Yeah Racing YEA-Traxxas TRX-4M Brass Rear Axle Weights (2) (13g) (part #YEA-TR4M-004GD), made for the Traxxas TRX-4M. Drivetrain parts take every bit of motor torque; a stronger shaft or axle keeps power going to the wheels without breaking.