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
· AL7075 Crown Race