Shimano Alfine Di2 SG-S7051-8 gear hub 8 speed disc center lock
Disc brake Center lockMore than 10 pieces in stock at supplier
Product details
With the Alfine Di2, Shimano has expanded its premium electronic shifting system into the urban sector. The system allows for effortless gear changes at the push of a button. A small, separately available actuator motor at the hub is controlled by the shift lever and directly initiates the shifting process. The electrical energy for this is provided by the Di2 battery, which is available in various designs.
The Inter-8 hub has increased the overall gear ratio range to 307%. In comparison, the Inter-7 has a value of 244%. Additionally, the gears of the Inter-8 are spaced closer together, allowing for a more comfortable and efficient cadence.
• Weight: 1670 g
• Details:
- Bolt circle diameter: 92.6 mm
- Flange spacing: 57.3 mm
- Flange diameter: 104.3 mm
- Axle length: 187 mm
- Recommended chains: CN-HG93, CN-HG53, CN-HG50
- Recommended sprockets: CS-S500, SM-GEAR
• Application area: City/Trekking bike
• Design: Rear wheel
• Compatibility with shifting: Hub gear
• Number of gears: 8-speed
• Material: Aluminum
• Axle diameter: 10 mm
• Installation width: 135 mm
• Sealed bearings
• Brake type: Disc brake Center Lock
• Axle: Screw axle.
Bike area of use | Citybike |
Freewheel | 36 |
Weight | 1670 g |
Axle diameter | 187 mm |
Installation width | 135 mm |
Item number | 6871038 |
Manufacturer | Shimano |
Category | Hubs + Freewheels |
Manufacturer no. | ISGS70518AS |
Release date | 18.10.2017 |
Colour | Silver |
Exact colour description | Silver |
Bike area of use | Citybike |
Hub type | Gear hub |
Ability brake type | Disc brake Center lock |
Number of holes | 36 x |
Axle diameter | 187 mm |
Installation width | 135 mm |
Cassette compatibility | 8-speed |
Freewheel | 36 |
Country of origin | France |
CO₂-Emission | |
Climate contribution |
Weight | 1670 g |
Product Safety |
30-day right of return if unopened
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Hubs + Freewheels» category have a defect within the first 24 months?
Source: Galaxus- 1.Shimano0,2 %
- 2.DT Swiss0,5 %
- EliteNot enough data
- TacxNot enough data
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- ShimanoNot enough data
- DT SwissNot enough data
- EliteNot enough data
- TacxNot enough data
Unfortunately, we don't have enough data for this category yet.
Return rate
How often is a product of this brand in the «Hubs + Freewheels» category returned?
Source: Galaxus- 1.Shimano7,3 %
- 2.Elite11,1 %
- 3.Tacx12,6 %
- 4.DT Swiss14,8 %