SHIMANO ALFINE DI2 Internal Geared Hub Disc Brake 11-speed

SG-S7051-11

Silver
SG-S7051-11
Black
SG-S7051-8

SG-S7051-11

SHIMANO ALFINE - DI2 Internal Geared Rear Hub - CENTER LOCK - Disc Brake - O.L.D. 135 mm - 11-speed

The SHIMANO ALFINE S7051 hub offers a wide 409% 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.

Improved internal structure for better gear engagement
Smooth shifting performance
Improved performance for both E-BIKE and non-E-BIKE usage

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TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO	SG-S7051-11
SERIES	SHIMANO ALFINE S7050/S705 Series
Color	Silver \| Black
Average weight	1665

Remarks	.
Brake type_Mount Type	CENTER LOCK disc brake
Speeds	11
Gear ratio_Total	409%
Gear ratio_Total	409%
Gear ratio_1	0.527
Gear ratio_1	0.527
Gear ratio_2	0.681
Gear ratio_2	0.681
Gear ratio_3	0.77
Gear ratio_3	0.77
Gear ratio_4	0.878
Gear ratio_4	0.878
Gear ratio_5	0.995
Gear ratio_5	0.995
Gear ratio_6	1.134
Gear ratio_6	1.134
Gear ratio_7	1.292
Gear ratio_7	1.292
Gear ratio_8	1.462
Gear ratio_8	1.462
Gear ratio_9	1.667
Gear ratio_9	1.667
Gear ratio_10	1.888
Gear ratio_10	1.888
Gear ratio_11	2.153
Gear ratio_11	2.153
Shifting POWER MODULATOR	✔
Shifting power modulator	✔
Spoke hole_28H	✔
Spoke hole_32H	✔
Spoke hole_36H	✔
Axle length (mm)_187	✔
Shifting Structure	DI2
Shifting structure	DI2
Flange distance (mm)	57.3
Offset (mm)	3.15
P.C.D. left / right (mm)	92.6
Flange diameter (mm)	104.3
O.L.D. (mm)	135
Spoke hole_28H	✔
Spoke hole_32H	✔
Spoke hole_36H	✔
Driving efficiency	HIGH
Flange width (mm)_Left	3.2
Flange width (mm)_Right	3.2
Gear change support mechanism	✔
Silent clutch	✔
Spoke size	#13 / #14
Rear speeds	11