DIYmalls Feetech FS90R Micro Continuous Rotation Servo Analog Motor 360 Degree + RC Tire Wheel for Arduino Microbit Smart Car Robot

You will receive 2pcs continuous rotation servo and 2pcs fs90r rc tire wheel Feetech fs90r servo is widely used for microbit, drone, smart car, robot etc. This black plastic wheel is press-fit onto the FS90R output gear shaft, and easy to make a nice drive solution for small robots. Operating speed is 110RPM (4.8V), 130RPM (6V), but you can change the pwm to change the servo speed , to make it slower or faster.