The Traxxas 7790 Differential Pinion Gear is designed for precise, reliable power transfer within your truck’s differential. Made from high-quality, durable materials, this pinion gear maintains proper gear mesh, withstands high torque, and ensures smooth operation during high-speed runs, jumps, and rough terrain. Built to Traxxas factory specifications for a perfect fit, it is compatible with models including the Traxxas X-Maxx and Traxxas Maxx, delivering consistent drivetrain performance, long-lasting durability, and dependable operation every time you hit the throttle.