Refined and redesigned ball differential the updated transmission proportions. The narrower design accommodates the narrow LCG gear industry and all sorts of one of several secrets points had been enhanced to make the differential smoother to boost traction. The redesigned XB2 ball differential provides improved performance, durability, and easier maintenance. The externally adjustable ball differential is machined from HUDY Spring Steelââ? which will be besides hardened for additional durability and a lengthier lifespan. A high-quality carbide thrust bearing and carbide balls are included for ultra-smooth procedure. Includes outdrive adapters designed for use with drive shafts with 2.5mm pin. The ball differential is recommended for several forms of dirt songs as well as for bumpy Astro tracks.