The Traxxas 7777X ring gear and differential pinion gear set is a genuine replacement drivetrain component designed to maintain smooth and reliable power transfer in your RC vehicle. Precision machined for durability and a precise factory fit, this gear set helps ensure efficient differential operation and long-lasting performance under high-power conditions. Ideal for replacing worn or damaged drivetrain parts during maintenance or rebuilds, it keeps your vehicle running smoothly and handling power effectively. Compatible with Traxxas X-Maxx and XRT models, this gear set is designed to work seamlessly with the factory differential system for dependable performance on high-speed runs and rough terrain.