Shimano Alfine S7051-8 Di2 8 Speed Rear Disc Hub

• Improved internal structure for better gear engagement
• Improved performance for both e-bike and non-e-bike usage
• New smoother shifting performance
• Shimano “high” driving efficiency rating
• Double roller clutch for smooth, quiet shifting
• Di2 electronic shift compatible
• 8 speeds with a 307 gear range
• Shimano “top normal” shifting
• Center lock disc brake rotor compatible
• Oil port for lubrication
• Does not include shifter, cog, cog snap-ring, axle nuts, non-turn washers & cassette joint (Small Parts Kit)
• Compatible with Nexus cogs
• Rear Hub Spacing: 135mm
• Rear Axle Type: 10×1 bolt on
• Hub Drilling: 32 or 36
• Brake/Compatibility: Centerlock Rotor compatible
• Weight: 1,670g.
• Color: choose; Black or Silver