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FM G311.250.V/D


This front-drive motor, which has an inner rotor, is compatible with a disc brake or V brake and has a rated power of 250W. Because of its inner rotor design and a large reduction ratio (1:11), 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.

Specifications

Core Data

Position Front Motor
Wheel Diameter (Inch) 26/27.5/28
Construction Gear drive
Rated Voltage (DCV) 36/43
n0 (Rpm) 240/286
Rated Power (W) 250
nT(Rpm) 205/244
Max Torque 30 N.m
Efficiency (%) ≥ 80
Color Black / Silver
Weight (kg) 2.3
Noise Grade (dB) < 50
Operating Temperature -20-45℃

Mounting Parameters

Brake V Brake /Disc Brake
Installation Widths (mm / OLD) 100
Max. Housing Diameter (mm) 133
Cabling Route Shaft Side, Right
Cable Length(mm), Connection Type 250 G9.1
Spoke Specification 36H*13G

Further Specifications

Speed Detection Signal (Pulses/Cycle) 6
Reduction Ratio 1:11
Magnet Poles (2P) 16

Tests & Certifications

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

Dimensions

Dimension A 79.8 mm
Dimension B 37 mm
Dimension C Φ 133 mm
Dimension D Φ121mm
Dimension E 2-3/8-26UNF-2A
Dimension F 4mm
Dimension G 10.5mm
Dimension H 9.7mm
Dimension WL 54 mm
Dimension WR 46 mm
Dimension OLD 100 mm

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