E-Bike Motor
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Specifications |
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Model No. |
EM-M20RD |
EM-M20CD |
EM-M20FD |
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Position |
Rear Motor |
Front Motor |
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Wheel Size (Inch) |
12/16/20 / 24 / 26 / 700C / 28 |
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Construction |
Gear Drive |
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Rated Voltage (VDC) |
36 / 48 |
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Rated Power (W) |
250W/350W |
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n0 (rpm) |
420 ; 200 |
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nT (rpm) |
400; 180 |
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Reduction Ratio |
1:12.6 |
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Max. Torque (N.m) |
35 |
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Efficiency (%) |
≧80 |
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Noise Grade (dB) |
<52 |
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Operating Temperature |
‐20 – 45℃ |
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Weight (kg) |
1.9/2.2/1.8 |
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Color |
Silver / Black |
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Brake |
Disc Brake |
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Housing Mounting |
No Screw |
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Installation Widths(mm/OLD) |
135 |
137 |
85/90/100 |
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Max. Housing Diameter(mm) |
120 |
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Gearshift |
Freewheel |
Cassette |
NA |
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Cabling Route |
Through Shaft Side, left |
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Cable Length (mm), |
250, G9.1 |
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Spoke Specification |
36H*13G / 36H*12G |
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Tests & Certifications |
IP 65, CE/ROHS, |
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Manufacturing Location |
Shanghai |
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