FSA Orbit IS-2 1 1/8 Threadless OD 45mm Road Bike Integrated Headset W/ Top Cap
For 45mm OD (or ID 41mm) headtube. - Alloy top cap. - Weight: 92g (includeing top cap and starnut). - Alloy top cover. - Stack Height 15.7+1=16.7mm. SP ID: XTE1535. - Color: Black (as pic. ).