The FSA Orbit UF threadless headset is constructed of aluminum and features ACB lower and retainer ball upper bearings.

• Forged and CNC machined 6061/T6 Aluminum cups
• Patented alignment tip for increased durability and performance
• Upper cup uses double sealed 5/32" ball bearings
• Lower cup uses a black seal angular contact bearing
• Upper and lower water seals
• Laser etched aluminum top cap