The Following Parts are Suitable: Flight Controller: 30.5x30.5mm Omnibus F4 FC AIO OSD BEC Current Sensor Brushless Motor: Emax RS2205 2205 2300KV 2-4S Brushless Motor Brushless ESC: Racerstar RS30A V2 BLheli_S BB2 DShot600 ESC Propeller: Kingkong 5045 5x4.5 5 Inch 3-Blade Prop CW & CCW