This rear-drive motor, which is compatible with the disc brake, has a rated power of 500W, a reduction ratio of 1: 5 and a maximum torque of 48 N.m, providing ideal power for vehicles. Strong and efficient, this motor, working together with a cassette speed change mechanism, greatly enhances riding comfort and is suitable for touring bikes, commuter bikes and mountain bikes. It can be black or silver.


Core Data

Position Rear Motor
Wheel Diameter (Inch) 26/27.5
Construction Gear drive
Rated Voltage (DCV) 36/43/48
n0 (Rpm) 315 ; 240
Rated Power (W) 500
nT(Rpm) 280 ; 205
Max Torque 48 N.m
Efficiency (%) ≥ 80
Color Black / Silver
Weight (kg) 4.2
Noise Grade (dB) < 55
Operating Temperature -20 - 45℃

Mounting Parameters

Brake Disc Brake
Installation Widths (mm / OLD) 135
Max. Housing Diameter (mm) 177
Cabling Route Through Shaft, Right
Cable Length(mm), Connection Type 250 G9.1
Gearshift Cassette
Spoke Specification 36H*12G

Further Specifications

Speed Detection Signal (Pulses/Cycle) 6
Reduction Ratio 1:5
Magnet Poles (2P) 16

Tests & Certifications

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


Dimension A 71 mm
Dimension B 32 mm
Dimension C Φ 177 mm
Dimension D Φ 164mm
Dimension E Φ 44mm
Dimension F Φ 33mm
Dimension G 2–M12 x 1.25–6g
Dimension H 6.3mm
Dimension I 20.5mm
Dimension J 41.5mm
Dimension K 15mm
Dimension WL 61.2 mm
Dimension WR 73.8 mm
Dimension OLD 135 mm

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