55mm Blade Propeller+615 CW & CCW Coreless Brushed Motor for Indoor Racing Drone

They are rated at 60000 RPM which is more than needed to lift and push your drone to the target. These are less noisy with low resistance. The only drawback of using coreless is the amount of torque they provide, as they are High Speed and Low Torque motors.
Specification
Model : 615
Rated Speed (RPM) : 60000
Operating Temperature (°C) : -20 to 60
Rated Voltage(V) : 3.7
Rated RPM : 41000
Rated Load Current (mA) : 580
Shaft Diameter (mm) : 1
Motor Color : Silver
Motor Material : Metal
Motor Length (mm) : 15
Motor Diameter(mm) : 6
Prop. Length(mm) : 55
Prop. Material : Glass Fiber