Upper 1.1/8 retainer bearings.;Lower 36x36 ACB bearing.;1.1/8 steerer.

• FSA Orbit UF Threadless Headset - Black, 1.1/8-Inch
• 1.1/8-Inch Inch
• Black

FSA Orbit UF Threadless Headset - Black, 1.1/8-InchFSA