SHIMANO DH-S501 Alfine Dynamo Disc Hub (32H Front, Black)
- Alfine Dynamo front hub with an ultra-efficient and virtually drag-free 3.0 watt power supply for use with LP-R600 handlebar mounted light kit.
- Quick-release axle for standard 100mm-OL dropouts.
- CenterLock disc brake compatibility (can also be used with rim brakes).
- Includes: DH-S501 dynamo hub with E2-type power connector and quick-release skewer (dynamo light/wiring kit and/or brake sold separately).