30.5x30.5mm - 4 in 1 ESC's

Airbot Typhoon 32 V2

30.5x30.5mm | BLHELI_32 | 35.00A

Airbot Typhoon 4 in 1 S Race Verison V2

30.5x30.5mm | BLHELI_S | 30.00A

Racerstar Anniversary Special Edition Racerstar Metal

30.5x30.5mm | BLHELI_32 | 50.00A