The Traxxas 9557 Rear Driveshaft is a high-quality replacement part designed specifically for Traxxas trucks. This black driveshaft measures 5mm in diameter and 131mm in length, making it compatible with various Traxxas models at a 1:8 scale. Whether you are running on electric, nitro, or glow fuel, this driveshaft is a reliable choice for ensuring smooth and efficient vehicle performance. With the Traxxas brand backing it, you can trust in the durability and compatibility of this rear driveshaft for your RC model vehicle.