Position Rear Motor
Wheel Diameter (Inch) 26/27.5/28
Construction Gear dirve
Rated Voltage (DCV) 36/43
n0 (Rpm) 295 ; 250
Rated Power (W) 250
nT(Rpm) 260 ; 220
Max Torque 32 N.m
Efficiency (%) ≥ 80
Color Black / Silver
Weight (kg) 2.8
Noise Grade (dB) < 55
Operating Temperature -20-45℃
Categories: ,

This rear-drive motor, which has a rated power of 250W, a reduction ratio of 1: 4.42 and a maximum torque of 32 N.m, provides ideal power for vehicles. Strong and efficient, this motor greatly enhances riding comfort and is suitable for touring bikes, commuter bikes and mountain bikes. It can be black, silver.

Mounting Parameters

Brake Disc Brake
Installation Widths (mm / OLD) 135
Max. Housing Diameter (mm) 136
Cabling Route Through Shaft, Right
Cable Length(mm), Connection Type 250 G9.1
Gearshift Freewheel(6S/7S/8S/9S)
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


Dimension A 77.3 mm
Dimension B 43 mm
Dimension C Φ136mm
Dimension D Φ122mm
Dimension E Φ44mm
Dimension F Φ33mm
Dimension G 2–M12 x 1.25–6g
Dimension H 5.5mm
Dimension I 22mm
Dimension J 9mm
Dimension K 1 3/8-24UNF-2A
Dimension L 15.25mm
Dimension WL 62mm
Dimension WR 73 mm
Dimension OLD 135 mm

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