Full Speed Ahead Hammer 1-1/8" Heavy Duty Threadless Headset Black. FSA (Full Speed Ahead) Hammer Headsets.
- TECH SPECS
| Upper Stack Height | 24.7 |
| S.H.I.S. Stem Clamp Diameter | 28.6 Threadless |
| Defined Color | Black |
| S.H.I.S Lower | EC34 |
| Weight | 149 |
| Crown Race | 30 |
| Bearing Type | Cup and Cone |
| Color | Black |
| S.H.I.S Upper | EC34 |