- 40-Series Represents the Perfect Balance of Performance, Durability and Value
- 6061-T6 Aluminum Cover
- Innovative Clip-Seal Seals the Top Assembly and Captures the Compression Ring
- Interlok Spacer Compatible
- Sealed Black Oxide Steel Cartridge Bearing
- Consistent Stack Heights Across 10, 40 and 110-Series
- Internal Parts Are Cross-Compatible Across 10, 40 and 110-Series
Attributes
| Bearing Grade | Sealed cartridge |
| Crown Race Diameter | 26.4mm |
| Headset Position | Complete |
| Headset Type | Integrated |
| Headset Weight | 65g |
| Lower Cup | 38mm |
| Primary Color | Black |
| S.H.I.S. | IS38/25.4 | IS38/26 |
| SHIS Lower | IS38/26 |
| SHIS Upper | IS38/25.4 |
| Stack Height | 10 |
| Steerer Tube | 1'' |
| Upper Cup | 38mm |
