Upgrade your TRX-4 kit with the Traxxas TRX-4 Aluminum Wheel Hubs featuring a 12mm Hex. These aluminum wheel hubs are a lightweight and stylish accessory that will enhance the overall look of your kit. The set comes in a striking red anodized finish that adds an extra touch of style. The package includes two aluminum wheel hubs and four screw pins, providing everything you need for a hassle-free installation. Whether you're looking for an aesthetic upgrade or a functional enhancement, these aluminum wheel hubs are an excellent choice for any TRX-4 owner.