Shimano DH-S501 Alfine – 6v 3w – Centre-Lock Disc – 36h – Q / R

Key Features:

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