They are rated at 43000 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.
In this pack, we have included high-quality black 55mm propeller with Coreless Motor.The 55 mm propeller comes with the smooth surface which can greatly reduce the wind resistance during the flight. Also, the propellers are made of high-tenacity material and thus can sustain crashes. Therefore, this propeller with Coreless motors is a perfect combination for your multirotor.