The Traxxas 6487R 15-T Pinion Gear is engineered for precise power transfer and smooth operation in your RC truck or car. Made from high-quality, durable materials, this 15-tooth pinion gear maintains proper gear mesh, withstands high torque, and ensures reliable performance 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, providing consistent drivetrain performance, long-lasting durability, and dependable operation every time you hit the throttle.