The 6786 4x4 bearing kit is a complete set of high-quality bearings designed to replace worn or damaged bearings in compatible traxxas 4x4 rc vehicles. These precision bearings reduce friction, improve drivetrain efficiency, and ensure smooth rotation of wheels, axles, and other moving components. Made from durable materials, the kit helps maintain reliable performance during high-speed driving, jumps, and off-road bashing. This bearing kit is compatible with traxxas hoss 4x4 vxl, rustler 4x4 vxl, slash 4x4, and stampede 4x4 models that use the 6786 series 4x4 bearing configuration.