- 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
| Crown Race Diameter | 40mm |
| Lower Cup | 52mm |
| SHIS Lower | IS52/40 |
| SHIS Upper | IS42/28.6 |
| Steerer Tube | 1-1/8''-1-1/2'' |
| Upper Cup | 42mm |
