Shimano Alfine S501 Hub Dynamo 36 Hole QR Centerlock

The Shimano Alfine DH-S501 is a premium 6V-3W hub dynamo designed for sporty, elegant city and trekking bikes. It combines low-drag efficiency with Alfine’s refined aesthetic and long-lasting sealing to power bright lights without the need for batteries. The 36-hole aluminum shell creates a robust wheel, while the 100 mm quick-release axle fits standard forks. The Center Lock spline is compatible with Shimano disc rotors, and the included SM-DH10A overvoltage protector helps safeguard your lamps at higher speeds, ensuring your route remains safe and well-lit.

- The Alfine DH-S501 provides consistent 6V-3W lighting power, allowing you to ride battery-free with bright, reliable illumination.
- A low-drag internal design ensures smooth and efficient pedaling on commutes, touring routes, and all-weather rides.
- The SM-DH10A overvoltage protector minimizes load on lamps at high speeds for safer, longer-lasting lighting systems.
- A 36-hole aluminum hub shell creates a stiff, durable wheel ideal for daily city use and loaded trekking.
- The 100 mm QR axle allows for easy fitting on most disc-brake forks, making upgrades and replacements straightforward.
- The Center Lock interface integrates seamlessly with Shimano rotors for confident braking in any conditions.
- Robust labyrinth and contact sealing effectively keeps water and grit out, ensuring dependable performance year-round.
- The elegant Alfine finish offers premium style along with the simple, trouble-free operation this group is known for.
- In the box, you receive the hub dynamo, quick release skewer, and SM-DH10A overvoltage protector, so you can build and ride right away.

Specifications
Brand: Shimano
Model: Alfine S501
Type: Hub dynamo
Holes: 36
Centerlock: Yes
Weight: 580g
Color: Black