Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv)

Brushless Rc Boat Motor, Surpass Hobby 4074 2250KV Brushless Motor with Cooling Set Design for RC Boat (2250kv)

FLYCOLOR 150A ESC 2-6S Waterproof Brushless Electronic Speed Controller with 5.5V/5A BEC and XT90 6.0mm Banana Head Connector for Model Ship RC Boat

Heyiarbeit Flex Collet Coupler CNC Stainless Steel for 5mm Motor Shaft and 4.76mm Flex Shaft Flexible Coupling DIY RC Boat Submarine Positive 1Pcs