Treal Hobby Arrma Kraton 6S EXB Aluminum Rear Hubs. Upgrade your 1/8 scale 6S Arrma Kraton with these precision-engineered aluminum rear hubs crafted from high-quality CNC machined aluminum. This premium upgrade not only enhances durability and performance but also allows you to choose from sleek red or classy black anodized colors, adding a personalized touch to your Kraton for a standout appearance that matches your style.