The FSA Orbit X Headset is a reliable, no-nonsense threadless headset built for 1 1/8" steerer tubes — the standard fitting found on the vast majority of road and mountain bikes. FSA has long been a trusted name in contact points and drivetrain components, and the Orbit X delivers that same dependable quality to your front end. If you need a clean, functional replacement headset that installs without drama, this is it. The Orbit X is designed to provide smooth steering with minimal maintenance, making it a solid choice for everyday riding, commuters, or anyone rebuilding a bike and looking for a headset that simply works. Its straightforward design means any home mechanic can handle installation with basic tools. FSA Orbit X Headset Specs at a Glance Type: Threadless headset Steerer diameter: 1 1/8" Manufacturer: FSA Compatible use: Road and mountain frames with 1 1/8" threadless forks