Traxxas Driveshafts, Rear, Steel-Spline Constant-Velocity (Complete Assembly) (2) Steel Constant Velocity Shafts offer the ultimate in torque handling and efficient power transfer The outer U-joints are lubricated and sealed by a rubber boot for maximum protection against the elements 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 Rear axles for 1/10 Rustler and 2WD Stampede