FSA Orbit X headset

The FSA Orbit X threadless headset features forged/CNC machined 6061/T6 aluminum cups, sealed cartridge bearings and a patented alignment tip for increased durability and performance. Specifications • 1" or 1 1/8" threadless • 1" version has 30.2mm cups and 26.4mm crown race (ISO) • stack height: 31.5mm • laser-etched aluminum top cap • 7075 alloy crown race • colors: black or silver • weight: 95g (1 1/8")