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RM G383.220.D


This rear-drive motor, which has an inner rotor, is compatible with a disc and has a rated power of 220W. Because of its inner rotor design and a large reduction ratio (1:12.5), the motor's power can be effectively released. Small in size, light in weight, high in efficiency, and smooth & quiet in running, this motor is suitable for city bikes. This motor can be black or silver.

The motor is with external three speed flywheel(9T-13T-17T).13T is the most commonly option for city cycling and riding speed ratio. The four-teeth span can offer most city leisure cycling population a max speed and wonderfull gradeability.  

Specifications

Core Data

Position Rear Motor
Wheel Diameter (Inch) 16/20
Construction Gear dirve
Rated Voltage (DCV) 36/43
n0 (Rpm) 335; 370
Rated Power (W) 220
nT(Rpm) 290 ; 325
Max Torque 30 N.m
Efficiency (%) ≥ 80
Color Black / Silver
Weight (kg) 2.4
Noise Grade (dB) < 55
Operating Temperature -20-45℃

Mounting Parameters

Brake Disc Brake
Installation Widths (mm / OLD) 120
Max. Housing Diameter (mm) 124
Cabling Route Through Shaft, Left
Cable Length(mm),Connection Type 180 G9.1
Gearshift Freewheel 3s
Spoke Specification 28H*13G

Further Specifications

Speed Detection Signal (Pulses/Cycle) 6
Reduction Ratio 1:12.5
Magnet Poles (2P) 8

Tests & Certifications

IP IP 65
Certifications ROHS / CE
Salt Spray Test Standard(h) 96

Dimensions

Dimension A 79 mm
Dimension B 41 mm
Dimension C Φ124mm
Dimension D Φ114mm
Dimension E Φ44mm
Dimension F Φ33mm
Dimension G 2–3/8-26UNF-2A
Dimension H 0 mm
Dimension I 15.25 mm
Dimension J 21 mm
Dimension K 7.2 mm
Dimension L 48.8 mm
Dimension WL 60 mm
Dimension WR 60 mm
Dimension OLD 120 mm

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