The Alloy Servo Linkage for the Axial SCX6 Crawler is a fantastic addition to enhance both the aesthetics and performance of your model. This hop-up part features a robust steel center rod paired with anodized aluminum alloy ball ends, ensuring durability and precision in your crawler's movements. The captured steel pivot balls further contribute to the linkage's reliability, making it a must-have for serious hobbyists. Available in six vibrant colors, this item not only boosts functionality but also adds a personalized touch to your Axial SCX6. For those interested, the item number is C31641BLACK, and it can be identified with the barcode 91789041997.