Traxxas 5650R Steel Constant-Velocity Center Driveshafts Designed to handle the extreme horsepower and torque that Summit, E-Revo, and E-Revo Brushless Edition dish out Inner and outer U-joints are lubricated and sealed by a rubber boot for maximum protection against the elements U-joint pins are held captive by a lightweight aluminum sleeve so you never have to worry about losing a pin Nickel plated steel shafts, blue silicone boots, and red-anodized aluminum accents are designed for ultimate strength and performance Complete kit includes front and rear driveshafts, ready to install