The Traxxas rear steel constant velocity driveshaft offer the ultimate in torque handling and efficient power transfer with a larger 6 mm stub axle. The outer U-joints are lubricated and sealed by a rubber boot for maximum protection against the elements, and the U-joint pins are held captive so you never have to worry about losing a pin. Gleaming nickel-plated shafts and black silicone boots add a custom look. Fits left or right position.