Upgrade and customize your cockpit with the Industry Nine iRiX ZS44/ZS56 headset, designed for smooth, durable steering performance. The complete headset includes precision-machined aluminum cups, high-grade 440c stainless steel sealed bearings, star nut, top cover, and split crown race for easy installation. Featuring replaceable silicone lip seals, it ensures contaminants stay out, extending bearing life. Ideal for riders who demand precision, durability, and a refined look, the iRiX delivers lightweight performance in a sleek silver finish. Features: Complete ZeroStack Headset: Includes cups, stainless steel bearings, star nut, top cover, and split crown race. Durable Bearings: 440c stainless steel sealed bearings for smooth, long-lasting performance. Contaminant Protection: Removable and replaceable silicone lip seals to keep dirt and water out. Premium Materials: Lightweight aluminum cups for strength and corrosion resistance. S.H.I.S. Fitment: ZS44/28.6 (top) | ZS56/40 (bottom) for tapered 1.5" steer tubes. Optimized Stack Height: 6mm (top), 3mm (bottom) for a sleek, low-profile setup. Lightweight: Weighs only 77g for minimal cockpit weight.