Our 40-Series headset is the entry point for performance, quality, and value. Drawing from the premium 110-Series design, the 40-Series includes all the features necessary for a durable, lightweight, and easy to use headset. Highlights: Easily replaceable, sealed cartridge bearings 6000 series alloy cups and materials Sealed steel crown race ZN40 Bearings Precision engineered by Cane Creek in Fletcher, NC We make headsets easier. Our headsets use interchangeable parts and over forty congurations to meet almost every size need. Sold in straight and tapered assemblies or tops & bottoms, tops are generally available in either short (9mm) or tall (15mm) bearing covers to further customize the look of your cockpit setup.