The 10840 23-tooth pinion gear (32-pitch, 3 mm bore) is a precision replacement or upgrade for your Traxxas RC vehicle, designed to deliver smooth power transfer and consistent performance. Made from durable metal, it withstands high-speed runs, jumps, and off-road driving while maintaining proper gear mesh for reliable operation. Ideal for hobbyists and racers, this pinion gear ensures long-lasting durability, precise drivetrain performance, and keeps your RC vehicle running at peak speed with minimal maintenance.