3 speed automatic gear motor for e-bikes 350W 500W ZSM3185B
Shift Mode Automatic
Variable Speed Level: 3 speed
Motor Rated power 350/500 W
Motor Max torque 50/55 Nm
Transmission Max torque 60 Nm
Outline Dimension ф158*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
CL
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.