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B7-138X

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B7-138X

This E-bike spoke hub motor specially designed for mountain electric bicycle,        

rated power can be customized to be 750W. Max. Torque can reach to 80N.m!

 

Max. Speed 48-52 km/h, the installation width of the rear fork is 138mm

  • Parameter
  • Outline Drawing
    Mounting Position:Rear
    Cable Routing:Left Side
    Shell Color:Black / Silver
    Rated Power:350~750W
    Rated Voltage:36V/48V
    Wheel Size:16'~29'
    Fork Dropout:138mm
    Speed Ratio:7.77:1
    Efficiency:＞80%
    Max Torque:＞80N.m
    Brake Style:Disc Brake
    Freewheel:
    		6/7
    Magnet Rate:16 Poles
    Speed Sensor:1/2/3/6
    Hall Sensor:With / Without
    Spokes Items:12G / 13G
    Spokes Holes:36 Holes
    Noise Level:＜50dB
    Work Temperature:-20℃~45℃
    Motor Weight:3.5Kg
    Waterproof Level:IP54

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