Treal Hobby Promoto CNC Aluminum Servo Saver. The Promoto servo saver is engineered to provide unparalleled durability, ensuring long-lasting performance under the toughest moto conditions. This servo saver is crafted from high-quality 7075 aluminum that can withstand the rigors of off-road racing, offering peace of mind to RC enthusiasts. Furthermore, they are available in a variety of anodized colors, allowing you to personalize your bike's appearance giving your bike the custom look that all riders desire!