Headset FSA Orbit 1.5 ZS: a tapered headset for a 44/56 mm head tube.
| Feature | Specification |
|---|---|
| Colour | Black |
| Head tube bore | 44 mm upper / 56 mm lower |
| Steerer | Tapered 1 1/8–1.5 in |
| Bearings | Upper 1 1/8 in and lower 1.5 in; 36°/45° angular-contact |
| Cups | Forged aluminium, Black |
| Crown race | 1.5 in included |
| Top cap height | 8 mm |
| Total stack height | 12.8 mm |
| Listed weight | 125 g |