Left and right aluminum stub axle carriers improve the appearance, ruggedness, and control of your X-Truck. The billet 6061-T6 aluminum construction adds strength and precision where you want it most. The brilliantly-anodized finish adds vibrant color to your vehicle and features a high-contrast laser etched TRX logo. Genuine Traxxas accessories are made by Traxxas, for Traxxas, to guarantee a perfect factory fit every time.