The initial XRAY Center Active Differential is a fantastic, adjustable gear differential that vastly improves the buggy's price and managing traits. The initial design from the interior components, utilizing various angled elements, permits the diff gears to trigger on-power to enhance ahead traction and protection to make the buggy quicker and many other things easy to drive. Because XRAY Active Center Differential is a performance selection for severe racers who would like to gain a bonus on superior rate and maneuvering, it'll gain any level of motorist that desires a more predictable and easy-to-drive automobile in almost every race conditions. Ball-bearings perhaps not included