Narrow Active Differential set for XB2. The unique XRAY Active Differential is a high-performance, adjustable gear differential for XB2 . . . vastly improving the buggy's speed and handling characteristics.
The special design of the internal components using different angled segments allows the diff gears to engage on-power to increase the forward traction, making it faster and easier to drive.
While the XRAY Active Differential is a performance option for serious racers who want to gain an edge on superior speed and handling, it is also of great benefit to drivers of all levels that want a more predictable and easy-to-drive car in all racing conditions. Ball-bearings not included.
Notice: When building the Active Diff always use all 4 internal satellite gears. Never use only 2 internal satellite gears.