You can use 20x20mm or a 25.5×25.5mm electronics to build this racewhoop quad. Motor mounting holes:∅12. 4x round head screws M2 5. 4x round head screws M2 6. 4x round head screws M3 25. 1x M5 20 flat round head countersunk head screw.
HGLRC Motowhoop 90mm Pusher HD 2 Inch FPV Racing Drone CADDX Nebula Nano BNF
HGLRC FPV Racing Quadcopter Drone Bundle w/ Controller Goggles & Carry Case
APEX FPV VR70 Drone Kit FPV Goggles First-person view drone FPV Racing Drone
295mm HD 7 inch FPV Racing Drone Frame Carbon Fiber Freestyle Frame for DJI FPV Air Unit
Flywoo Firefly Fr16 Analog Elrs FPV Tiny Drone FPV Racing Drone
EMAX Tinyhawk III Plus FPV Racing Drone Tinyhawk III Plus Freestyle Drone 2023