Shimano DH-3N80 6v 3.0w Quick Release Dynamo Front Hub For Use With Rim Brakes - 32h

• Highly efficient, super light weight, premium grade 6 volt 3 watt dynamo front hub with easy to use quick release.
• 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.
• For use with rim brakes.
• Labyrinth and contact sealing as used on the premium Dura-Ace and XTR groupsets - low-friction seals and internal grease sleeve effectively shut out water, mud, and dirt without affecting rotational smoothness increasing service life.
• Borozon treated cup and cone bearing races - super mirror finish bearing races reduce friction giving smooth and precise bearing rotation.
• Push-in wiring harnesses make installation fast and easy.
• Double anodized, premium finish forged aluminium hub shell.
• Comes with an easy to use quick release skewer.
• Average weight 490 grams.

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