Xray XB4 gear centre differential set
Coming from Xray and made for the XB4 1/10th 4WD buggy is a gear centre differential set. Included are a composite gear case and cover, an exchangeable 81T spur gear as well as moulded diff internals. The specially designed spur gear is also available separately in a range of sizes to suit different gearing needs. Using a centre differential over a traditional slipper unit can be beneficial on both high-bite carpet and clay tracks alike.
Source: Xray [teamxray.com]