FSA Orbit X 1" Threadless HeadsetThe FSA Orbit X threadless headset is constructed of aluminum and features sealed cartridge bearings.FeaturesClassic shape with modern styling for high-end road bikesFor threadless steerersForged and CNC machined 6061/T6 aluminum cupsPatented alignment tip for increased durability and performanceTH brand 36 degree Micro Angular Contact Bearings (red seal)Laser etched aluminum top cap26.4 or 30.0mm diameter crown race7075 alloy crown race1"Stack Height 18.4+13=31.4mmBlack or Silver anodized finishSpecificationsItem SpecificationsCrown Race30.0Stack Height31.5 mmBearing TypeCartridgeHeadset Type1" Standard CupsWeight82 gMaterialAluminumSteerer Tube1" Threadless | FSA Orbit X 1" Threadless Headset Black, 1"