The unique XRAY Center Active Differential is a superior, adjustable gear differential that vastly improves the buggy's speed and managing faculties. The special design regarding the internal components, making use of different angled segments, enables the diff gears to interact on-power to boost ahead traction and stability to make the buggy quicker and more straightforward to drive. Whilst the XRAY Active Center Differential is a performance selection for severe racers who want to gain an edge on superior speed and maneuvering, it will gain any amount of motorist that wishes a far more predictable and easy-to-drive automobile in just about any racing conditions. Ball-bearings not included