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K7-138K

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K7-138K

This kind of spoke hub motor is applied for city electric bicycle or road electric bicycle, installed on the rear wheel, with attached cassette freewheel. Rated power can be customized to be 350W. Max. Torque can reach to 45N.m!

 

Max. Speed 38-42 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:250~350W
    Rated Voltage:24V/36V/48V
    Wheel Size:12'~29'
    Fork Dropout:138mm
    Speed Ratio:8.14:1
    Efficiency:＞80%
    Max Torque:＞45N.m
    Brake Style:Disc/Brake
    Freewheel:
    		8~10
    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:2.0 Kg
    Waterproof Level:IP54

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