Shimano Alfine SG-S7001 8-speed Internal Hub Gear

Shimano Alfine SG-S7001 8-speed Internal Hub Gear

Shimano Alfine SG-S7001 8-speed internal gear hub for e-bikes and traditional bikes, featuring 307% gear range, smooth needle-bearing drivetrain, and Centre Lock disc compatibility for reliable all-weather shifting.

Features & Benefits:

• 8-speed internal gear hub with a wide 307% gear range, offering smooth and versatile shifting for urban, commuter, and e-bike applications.

• Needle-bearing drivetrain delivers high drive efficiency, low friction, and long-lasting durability even under heavy load.

• Top-normal internal gear structure improves tolerance under pedalling load, giving fast and precise gear changes while riding.

• Labyrinth sealing system keeps out water, mud, and debris, extending service life and maintaining smooth rotation.

• Pedal-assisted downshifting and double roller clutch engagement for quiet, light, and accurate shifting every time.

• Centre Lock disc rotor compatible and 135mm O.L.D spacing, ensuring secure fit with modern disc brake systems.

• Available in black or silver with 32H or 36H spoke options, offering both style and compatibility with a range of frames.

The Shimano Alfine SG-S7001 8-speed internal gear hub provides a smooth, efficient, and durable solution for urban commuting, touring, and e-bike riders. Its 307% gear range ensures a wide variety of ratios for climbing, flat terrain, and descending, making it highly versatile across different riding conditions.

Featuring needle bearings for reduced friction and long-term durability, the hub is engineered for reliable performance and low maintenance. Its top-normal internal gear structure enhances tolerance when shifting under load, while pedal-assisted downshifting and double roller clutch engagement deliver exceptionally smooth and quiet gear changes.

The hub incorporates labyrinth seals to block water, mud, and dirt, extending lifespan and ensuring consistent, trouble-free operation. Centre Lock disc compatibility and a 135mm over-locknut dimension (O.L.D) provide easy integration with modern frames and disc brake systems. Available in black or silver with multiple spoke configurations, the Alfine SG-S7001 hub is ideal for riders seeking a high-quality internal gear solution for both e-bike and traditional bike setups.

Technical Specifications:

• Speed: 8-speed

• Gear ratio (total): 307%
  1: 0.527
  2: 0.644
  3: 0.748
  4: 0.851
  5: 1
  6: 1.223
  7: 1.419
  8: 1.615

• Brake type: Disc brake

• Disc rotor interface: Centre Lock

• Recommended brake: BR-S7000

• Series: Alfine

• Model number: SG-S7001-8

• Hub width (O.L.D): 135 mm

• Spoke holes: 32H or 36H

• Flange distance: 57.3 mm

• Flange diameter: 104.3 mm

• Offset: 3.2 mm

• P.C.D. left/right: 92.6 mm

• Weight: 1670 g

• Colour: Black or Silver

• Discipline: Urban, Commuter, E-Bike, Touring

Compatibility Notes:

Suitable for e-bikes and standard bicycles
Fits frames with 135mm O.L.D spacing
Compatible with Centre Lock disc rotors