XRAY self-designed, revolutionary, super-smooth gear diff for 1/10 pan automobiles is a direct replacement for the ball-differential; it's a complete set which calls for no other extra components and no additional modifications. Using the gear differential makes the vehicle more stable and better to drive, particularly in high-traction conditions. The gear diff increases on-power steering which will be needed on most kinds of songs. A must have for each racer. The complete gear differential set includes a composite instance and address, precision-molded interior satellite gears produced from special XRAY-developed composite material, all ensuring long lifespan and super-smooth efficient procedure. A super-strong hollow metal shaft guarantees maximum reliability and power. The benefit of the gear diff is the fact that it really is maintenance-free. Once the diff is correctly built, there is no need for maintenance for a very long time, no significance of frequent oil changes, with no leakage as a result of an excellent sealing system.