Shimano Alfine DH-S501 Centre Lock Disc Dynamo Front Hub - Black

- Alfine 6 volt 3 watt dynamo front hub with easy to use Centre-Lock disc brake mount
- Provides bright illumination for safer night riding without the need & expense of replacing batteries
- Important weight savings are made by using an efficient & light weight aluminium coil structure
- Disc brake compatible, with Centre-Lock rotor mount
- Labyrinth & contact sealing - low-friction seals effectively shut out water, mud & dirt without affecting rotational smoothness increasing service life
- Borozon treated bearing races - super mirror finish bearing races reduce friction & provide a more precise bearing action
- Push-in wiring harnesses make installation fast & easy
- Anodised forged aluminium hub shell
- Comes with an easy to use quick release skewer