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
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
- Defined Color: Black
- S.H.I.S Lower: EC34
- Weight: 99
- Crown Race: 30
- Bearing Type: Cartridge
- Color: Black
- S.H.I.S Upper: EC34