Item specifics
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Brand Name
pswpower
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Voltage
48V
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Origin
Mainland China
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Design
Brushless
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Wattage
> 400w
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Certification
CE
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Motor Type
Side Hung Motor
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Watls
500w or 750W
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Color
black
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Motor position
mid crank
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Controller
designed inside the motor
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controller model
torqure sensr
This Tongsheng/SFM mid drive motor with torque sensor is the cheapest and good torque sensor mid drive motor in china, you can feel the power from your foot to start the ebike,so you can't need use throttle to start the ebikeTSDZ2B electric bicycle central mid motor with torque sensor Speed: 15Km/H-45Km/H top speed 45km/H TSDZ2B:It is new version,so the main gear is double clutch
New version TSDZ2B has two clutches designed on the main gear, Main gear is disengaged from the chain during riding, So it feels as easy to ride as a bicycle; Old version TSDZ2 rides with main gear, Main gear turns with small gear.So the riding resistance is larger than bicycle New version motor has improved the | 
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