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Shimano Alfine Di2 SG-S705 11-Speed Disc Hub without Fittings - Silver

£199.99
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£199.99 Please note this product has selling restrictions to your country. was
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Details
- Internal geared hub for Di2 electronic specification
- Wider gear ratio with lighter weight
- Gear ratio: 409%
- Silent clutch
- Gear change support mechanism
- Longer durability by oil lubricant
- Compatible Shifting Lever: ST-S705
- Disc Brake Rotor Mount: Centre Lock
- Axle Length (mm): 187
- Over Locknut (mm): 135
- Chain Line: 41.8/47.7
- Flange Distance (mm): 57.3
- Spoke Hole PCD (mm): 92.6
- Flange Width (mm): 3.2
- Recommended Shimano Chain: CN-HG73 / 53 / 50
- Dishing Distance (mm): 3.15
- Compatible Shifting Switch: SW-S705
- Compatible Motor Unit: MU-S705
- Weight: 1,665g

Gear Ratios Total Difference:
- Gear Ratio 1 = 0.527
- Gear Ratio 2 = 0.681
- Gear Ratio 3 = 0.770
- Gear Ratio 4 = 0.878
- Gear Ratio 5 = 0.995
- Gear Ratio 6 = 1.134
- Gear Ratio 7 = 1.292
- Gear Ratio 8 = 1.462
- Gear Ratio 9 = 1.667
- Gear Ratio 10 = 1.888
- Gear Ratio 11 = 2.153

PLEASE NOTE: Fitting Kit, Shifting Switch, Motor Unit and Shift / Brake Levers are not included, these must be bought seperately
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Questions & Answers (5)
what else do i need to use the alfine 11 speed DI Hub?
By
13 Sep 2020
the complete system is the hub, motor & handle bar switch?
is there a battery unit too?
Hello, this item is for only the hub, For a working system you will need, the hub, motor, shifters and battery and di2 cables.
Can I use mechanical shifters with this hub?
By
21 Aug 2020
Currently have a 2 speed hub and want to upgrade but can't afford full di2 setup.
No, the DI2 hubs are DI2 only.

Thanks - 21/08/20
Can i use this on a 20" wheel, also what would the complete kit cost, regards jim.
By
08 May 2020
The 20" wheel is fitted to a ice adventure trike.
Hi, yes you could build it into a 20 inch wheel. The shifter, fittings, cog and e tubes are very dependant on your specific bike so we could not advise. We do not keep the battery due to storage and shipping issues. Thanks
What other items are required to install and use.
By
12 Jan 2020
Can you provide a link to the other items needed. Ie. shifter battery, cog, fitting kit etc. thanks
Hi, The full PDF exploded diagram for parts is here - https://si.shimano.com/pdfs/ev/EV-SG-S7051-11-4208A.pdf
The motor unit is in the related products on the product page.

The battery, shifter, fittings, cog and e tubes are very dependant on your specific bike so we could not directly advise.

Thanks - 13/01/20
Compatible
By
07 Oct 2019
This Di2 Alfine hub is compatible with the standard Alfine 11 hub's fitting kit? Connection is looks same!
It does look similar but they are definitely not cross compatible.

Thanks - 08/10/19