- Highly efficient, super light weight, premium grade 6 volt 3 watt dynamo front hub for easy to use and rigid 12 mm axle fitment
- Provides 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 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 providing smooth and precise bearing rotation
- Push-in wiring harnesses make installation fast and easy
- Double anodized, premium finish forged aluminium hub shell
- 12 mm x 100 mm O.L.D. SM-AX720 axle sold separately
- Average weight 550 grams
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