The Traxxas 6494X X-Maxx Gear 20-T pinion is a new, metric pitch gear designed for 5mm shafts. Specifically made for Traxxas vehicles, this gear is compatible with electric-powered cars and trucks in a 1:10 scale. With a focus on quality and performance, this genuine Traxxas part ensures smooth and reliable transmission for your RC model vehicle, enhancing your overall driving experience.