20x20mm Racerstar Mini RS12Ax4 12A Blheli_S BB2 2-4S 4 in 1 Brushless ESC D-Shot Ready 4511001 6*20(Assembly the metal brackets size)

6*20(Assembly the metal brackets size)

adjust the left-right straight button

4 ~ 5 km per hour

Size(PCB):27*12mm

this is lowest price on market

20x20mm Racerstar Mini RS12Ax4 12A Blheli_S BB2 2-4S 4 in 1 Brushless ESC D-Shot Ready 4511001 6*20(Assembly the metal brackets size)20x20mm Racerstar Mini RS12Ax4 12A Blheli_S BB2 2 4S 4 in 1 Brushless ESC Support D Shot Specification: Brand Name: Racerstar Model: RS12Ax4 Item Name: 12A Blheli_S BB2 2 4S 4 in 1 Brushless ESC Con. Current: 12A Peak Current: 17A (10S) BEC: No Lipo : 2 4S Programmer: Yes Weight: 13g Size: 27x27mm (PCB) Installing Hole: M3 20x20mm Features: Blheli_S firmware BB2 Chip Mini Size 4 in 1 ESC ( 27x27mm) and weight (13g) With M3 20x20mm Installing Hole D