Brand: Yeah Racing
Part Number: YEA-TR4M-008SP
Yeah Racing YEA-Traxxas TRX-4M Spring Steel Rear Drive Shaft Set (part #YEA-TR4M-008SP), 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.