The FSA IS-2 Headset 1-1/8” is designed for cyclists who value smooth, precise steering performance. Ideal for frames with integrated headsets, this headset offers superior bearing quality, ensuring your ride is responsive and comfortable. Whether you’re upgrading your bike or assembling a new one, the FSA IS-2 delivers the reliability you need for top-tier performance.
- -01: 1-1/8” integrated
- Headtube OD/ID: 45mm/41.2mm
- Upper bearings: 1-1/8”, 36 °/45 ° ACB (blue)
- Lower bearings: 1-1/8”, 36 °/45 ° ACB (blue)
- Stack height: 16.8mm
Attributes
| Bearing Grade | ACB Sealed |
| Crown Race Diameter | 30mm |
| Headset Position | Complete |
| Headset Type | Integrated |
| Headset Weight | 65g |
| Lower Cup | 41mm |
| Material | Aluminum |
| Misc | 36 °/45 ° ACB (blue seal) |
| Primary Color | Silver |
| S.H.I.S. | IS41/28.6 | IS41/30 |
| SHIS Lower | IS41/30 |
| SHIS Upper | IS41/28.6 |
| Stack Height | 16.8 |
| Steerer Tube | 1-1/8” |
| Upper Cup | 41mm |
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