SG-S7051-8 INTERNAL ASSEMBLY

Product Information

This is the core internal assembly of Shimano's Alfine Di2 8-speed internal geared hub, a sophisticated component designed for reliable and efficient urban, touring, and e-bike applications. It integrates electronic shifting for precise and effortless gear changes, offering a smooth riding experience with minimal maintenance. The robust design ensures durability and a wide gear range within a protected, self-contained unit, making it an excellent choice for riders seeking consistent performance.

Features

• Di2 electronic shifting compatibility for precise and effortless gear changes.
• 307% total gear ratio across 8 speeds, suitable for diverse riding conditions.
• Center Lock disc brake compatible for strong and reliable braking performance.
• Improved internal structure with double roller clutch for smoother, quieter shifts.
• Oil lubrication for enhanced durability and longer service life.
• Silent clutch mechanism for a quiet operation.
• Shift servo technology reduces shifting effort.
• High driving efficiency rating from Shimano.

Specs

• Model: SG-S7051-8
• Gears: 8-speed
• Axle Length: 187 mm
• Over Locknut Dimension (OLD): 135 mm
• Spoke Holes: Available in 32H or 36H options
• Average Weight: 1670 g
• Material: Aluminum hub shell
• Technology: Inter-8