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This front-drive motor, which is compatible with the disc brake, has a rated power of 250W, a reduction ratio of 1: 4.42 and a maximum torque of 32 N.m, providing ideal power for vehicles. This motor is suitable for touring bikes, commuter bikes and mountain bikes. It can be black or sliver.

Dimension A 81.5mm
Dimension B 42mm
Dimension C Φ 134mm
Dimension D Φ 122mm
Dimension E Φ 44mm
Dimension F Φ 33mm
Dimension G 2-3 / 8-26UNF-2A
Dimension H 5mm
Dimension I 20.6mm
Dimension J 10mm
Dimension K 5mm
Dimension WL 55mm
Dimension WR 45mm
Dimension OLD 100mm

SPECIFICATIONS

Core Data

Position Front Motor
Wheel Diameter (Inch) 20/26/27.5/28
Construction Gear drive
Rated Voltage (DCV) 36/43
n0 (Rpm) 290 ; 250
Rated Power (W) 250
nT(Rpm) 255 ; 220
Max Torque 32 N.m
Efficiency (%) ≥ 80
Color Black / Silver
Weight (kg) 3.0
Noise Grade (dB) < 55
Operating Temperature -20-45℃

Mounting Parameters

Brake Disc Brake
Installation Widths (mm / OLD) 100
Max. Housing Diameter (mm) 134
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 1:4.42
Magnet Poles (2P) 20

Tests & Certifications

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