Full CNC alloy headsets for your Birdy frame.
| P/N | Type | Compatibility | Steerer tube | Material | Weight | Colors* |
| HSBY1 | Threadless | Mark 2 frames (2006 to 2015) | 1-1/8” | CNC alloy | 230 g | black, red, gold, silver |
| HSBY2 | semi integrated threadless | Mark 3 frames (2015 to present) | 1-1/8” | CNC alloy | 85 g | black, red, gold, silver |
*More colors are available as a customization option.