The FSA Orbit Xtreme Pro threadless headset is constructed of forged and CNC machined 7075/T6 aluminum cups.
- Stainless steel crown race
- 1.5' patented alignment tip for increased durability and performanceadsets have 21mm headtube insertion
- Forged and CNC machined 7075/T6 aluminum cups
- Deep Cup model has 22mm insertion of upper and lower cups
- Stainless steel Angular Contact Bearings
- EC34/28.6 (Industrial) | EC34/30 (Industrial)
|S.H.I.S. Stem Clamp Diameter