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Voltage(V): 36/48
Type: Gear Motor
Certification: CCC,CE
Usage: Electric Bicycle
Brand Name: ZISPEED

Specifications

3 Speed Automatic Gear Motor for ECity Bikes Shared EBikes Rental EBikes EFat and ECargo

P/N
ZSM3185A
Type 3-speed Rear Motor
Application Premium E-City 
Motor Rated Power 250W
Motor Max Torque 40 N.M
Transmission Max Torque 60 N.M
Outline Size  140*196 mm
Weight 3.6 kg
Gear ratio 1.85
Transmission ratio 0.74,1,1.36
Brake type Disc Brake
Flywheel Type  Sprocket/Pulley
O.L.D 142 mm
C.L 3-port Cassette Sprocket 56 mm
Single-speed Freewheel Sprocket 59 mm
9-slot  Cassette Pulley 60 mm
Features:
Comply with EU regulations
3-speed automatic shifting, higher gear ratio,more comfortable to commute in the city and also have excellent climbing ability.
Automatic shift, no manual operation, no heavy or empty pedaling, simple and comfortable riding.
the transmission and motor complement/optimize each other, the integration reaches larger torque & smaller force, and better performance and longer durability.
the transmission allows the motor to always work at low consumption, which can increase over 15% mileage.
Can match belt pulley, solves the problem that existing hub motor with belt can not change speed.
the start gear adopts one-way clutch, can cut into the power at any angle, no empty pedaling, no ratchet noise.
Internal shift, no need shift cable,simple layout.

3 Speed Automatic Gear Motor for ECity Bikes Shared EBikes Rental EBikes EFat and ECargo
P/N ZSM3185B
Type 3-speed Rear Motor
Application E-city/ E-fat/ E-cargo
Motor Rated Power 350/500W
Motor Max Torque 50/55 N.M
Transmission Max Torque 60 N.M
Outline Size  158*202 mm
Weight 4.5 kg
Gear ratio 1.85
Transmission ratio 0.74,1,1.36
Brake type Disc Brake
Flywheel Type   Sprocket/Pulley
O.L.D 148 mm
C.L 3-port Cassette Sprocket 59 mm 
Single-speed Freewheel Sprocket 62 mm
9-slot  Cassette Pulley 63 mm
Features:
Comply with EU/USA regulations, higher power, suitable for e-city bikes,e-fat and e-cargo
3-speed automatic shifting, higher gear ratio,more comfortable to commute in the city and also have excellent climbing ability.
Automatic shift, no manual operation, no heavy or empty pedaling, simple and comfortable riding.
the transmission and motor complement/optimize each other, the integration reaches larger torque & smaller force, and better performance and longer durability.
the transmission allows the motor to always work at low consumption, which can increase over 15% mileage.
Can match belt pulley, solves the problem that existing hub motor with belt can not change speed.
the start gear adopts one-way clutch, can cut into the power at any angle, no empty pedaling, no ratchet noise.
Internal shift, no need shift cable,simple layout.