- TECH SPECS
| Lower Cup | 56mm |
| Upper Cup | 44mm |
| Headset Position | Complete |
| Material | Aluminum |
| Steerer Tube | 1-1/8-1.5 |
| Crown Race Diameter | 40mm |
| Headset Type | ZeroStack |
| S.H.I.S. | ZS44/28.6 | ZS56/40 |
| SHIS Upper | ZS44/28.6 |
| Primary Color | Silver |
| SHIS Lower | ZS56/40 |
| Bearing Grade | Stainless Steel |
Industry Nine iRiX ZS44/ZS56 Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Silver