Shift Mode Automatic Variable Speed Level: 2 speed Motor Rated power 250 W Motor Max torque 40 Nm Transmission Max torque 60 Nm Outline Dimension ф141*190 mm Weight 3.3 Kg Gear ratio 1 .36 Transmission ratio 1,1.36 Brake Type Disc Brake Flywheel type Sprocket/Pulley O.L.D 135 mm CL 3-port Cassette Sprocket 51 mm Single-speed Freewheel Sprocket 54 mm 9-slot Cassette Pulley 55 mm
Features • Comply with EU regulations,suitable for classic e-city bikes. • 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 10% 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. • Mature hub motor module, lower cost and failure rate than mid-motor.