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Shimano Alfine Di2 SG S7051-8 Speed Internal Rear Disc Hub 3/8" x 135mm

This item does not qualify for additional discounts
This item does not qualify for additional discounts



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Shimano Alfine Di2 SG S7051 8 Speed Internally Geared Rear Disc Hub Center Lock. For sporty and elegant cycling - 8-speed Di2 electronic specification!
Total gear ratio 307%: the 8-speed Internal Geared Hub SG-S7051-8 Alfine Di2 from Shimano
ALFINE is an elegant top component group, which is very popular with quality-conscious customers. Premium quality, style, adaptability and problem-free operation are the characteristics of ALFINE. Take advantage of the clever look and the large transmission range of this hub shift system with 8 gears, which gives your wheels real "back wind".

8-speed hub shift, compatible with disc brake
Sportive operation
New transmission technology for easy running
Longer life due to oil lubrication
Internal geared Hub for Di2 electronic specification

Use: City, Touring/Trekking
Group: Alfine Di2
Model: SG-S7051-8
Shifts: 8-speed
Gear ratio total: 307%
Gear ratio 1: 0.527
Gear ratio 2: 0.644
Gear ratio 3: 0.748
Gear ratio 4: 0.851
Gear ratio 5: 1.000
Gear ratio 6: 1.223
Gear ratio 7: 1.419
Gear ratio 8: 1.615
Freewheel: Noiseless
Brake/Compatibility: centerlock disc (Lock Ring not included) 6-bolt Disc with conversion adapter. Click here (Shimano part # SM RTAD05) Sold Separately. 
Shift Servo: Yes
Switching force modulator: Yes
Hole circle diameter: 92.6mm
Flange distance: 57.3mm
Flange diameter: 104.3mm
Spoke size: #13, #14
Mounting: Axle (M10 Nuts not included!)
Axle Length: 187mm
Mounting dimension: 3/8" x 135mm (10mm)
Number of holes 32, 36
Material: Aluminum
Color Black, Silver
Weight 1670g

Shimano Item # UPC
Black 32 Hole ISGS70518BL
UPC : 689228905382

Black 36 Hole ISGS70518AL
UPC : 689228905375

Silver 32 Hole ISGS70518BS
UPC : 689228905351

Silver 36 Hole ISGS70518AS
UPC : 689228905368

Original Shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity.

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