Shimano Alfine SG-S7051 8 Speed Disc 36 Hole Internal Hub

The SHIMANO ALFINE S7051-8 hub offers a wide 307% gear range actuated by SHIMANO DI2 electronic shifting and an improved internal structure for better gear engagement. It is approved for E-BIKE and non E-BIKE use and is available in black and silver.

Features:

• Improved overall riding comfortability and efficiency
• Higher shifting performance even under high chain tension induced by E-bike motors
• Improvement is suitable for both E-bike and non E-bike use