Adjustable phase‑locking hub for fine timing adjustment between a drive component (sprocket/pulley) and shaft. Offers ~±12° mechanical phase window per adjustment cycle (model‑dependent).
| Compatible Components | : | ANSI plate sprockets & standard hubs |
| Typical Use | : | Timing adjustment |
- Simple, positive phase adjustment
- Clamp‑style hub for secure locating
- Ideal for chain drive phase timing