35A XRacer Quadrant. Both 25A and 35A versions are capable of Running BLHeli_32 firmware.
X-Racer Quadrant 25A 4~6S BLHeli_S Speed controller quantity of 4 new in the box
40A ESC, 40A Speed Controller Brushless ESC with Low Voltage Cut-Off RC Drone Helicopter Upgrade Parts Accessories (Black)
FLY RC 20 Pairs 3.5mm Male Female Gold Plated Banana Plug Bullet Connector ESC Plugs Replacement for RC Battery ESC Motor Wire DIY Helicopter
Brushless Motor and ESC Kit for WLtoys with 60A Waterproof ESC 3650 Motor
PL18EV Metal 1/14 Hydraulic RC Excavator 945 Tracked Digger ESC Sound Light ESC