... 1.Bike motor, brushless dc motor for electric bicycle . 2.Small size 3.High efficiency 4.Large torque brushless DC Motor for ... . sensorless,9. sleepRated Voltage:24V---48VPower:150W--240w Motor system functions: linear speed control, brake power-off, ... , sleepsystem protection features: under-voltage protection, overload protection, motor block protction, speed limit, lose control protection, phase lost ...