Emax F405 / 20A / 25x25 AIO Flight Controller w/ ELRS (BlHeli_S / 2-4S) Reel Ball Bearings Size: 5 x

Ball Bearings Size: 5 x 8mm

so you can also use 20mm stacks that come with M2 screws

(4) ARRMA 17mm Aluminum Wheel Nuts

Idle Current (10V): 1

Speed: 2000KV

Emax F405 / 20A / 25x25 AIO Flight Controller w/ ELRS (BlHeli_S / 2-4S) Reel Ball Bearings Size: 5 xThe F405 20A FPV drone AIO (All In One) flight controller with ELRS RX is a compact, lightweight, and user friendly component, ideal for replacing or upgrading the Cinehawk Mini or other drone frames with a 25. 5x25. 5mm mounting pattern. Designed for both beginners and advanced users, it integrates seamlessly with an ExpressLRS receiver for reliable, low latency control. Featuring a powerful F405 processor and built in 20A ESCs, it delivers smooth,