SHIMANO ALFINE DI2 Internal Geared Hub Disc Brake 8-speed

SG-S7051-8

SHIMANO ALFINE DI2 Internal Geared Hub Disc Brake 8-speed

SG-S7051-8

SHIMANO ALFINE - DI2 Internal Geared Rear Hub - CENTER LOCK - Disc Brake - O.L.D. 135 mm - 8-speed

The SHIMANO ALFINE S7051-8 hub offers a wide 307% 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.

FEATURES

  • Improved overall riding comfortability and efficiency
  • Higher shifting performance even under high chain tension induced by E-bike motors
  • Improvement is suitable for both E-bike and non E-bike use

PRODUCT SPECIFICATIONS

MODEL NO SG-S7051-8
SERIES SHIMANO ALFINE S7050/S705 Series
Color Silver | Silver | Black | Black
Average weight 1670
Remarks .
Brake type|Mount type CENTER LOCK disc brake
Rear speeds 8 - 8
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
Gear ratio|6 1.223
Gear ratio|7 1.419
Gear ratio|8 1.615
Shifting structure Di2
Silent clutch
Gear change support mechanism
Shifting POWER MODULATOR
Driving efficiency High
O.L.D. (mm) 135 - 135
Spoke size #13/#14
Spoke hole|32H
Spoke hole|36H
Axle length (mm)|187
Flange distance (mm) 57.3 - 57.3
Flange diameter (mm) 104.3 - 104.3
Flange width (mm)|Right 3.2 | 3.2
Flange width (mm)|Left 3.2 | 3.2
Offset (mm) 3.15 - 3.15
P.C.D. left / right (mm) 92.6 - 92.6

TECHNOLOGIES