4500KV Brushless Motor with Marine RC Boat Brushless ESC 40A

4500KV Brushless Motor & Marine ESC Combo. This is a great combo for converting smaller RC boats with 380-400 size motors from brushed into brushless! You can use either LI-PO or Ni-MH batteries up to 12v.   4500KV Motor Details Features: 4 Pole 12 Slot Hi-Torque Motor Design. High Quality: CNC Machined 6061 T6 Aluminum Billet Heat Sink Can, High Purity Copper Windings Maximize Efficiency, High RPM ABEC5 Oversized Bearings. Universal fit, for 1:16,1:18, 1:14 2-3s rc racing car. Motor Mounting Holes for M2.5 or M3 Screws Precision balanced rotor, smoothness for better reliability and maximum rpm. Super thin stator-laminations (0.35mm). Specifications: Series: KK 2435 Color: Red Kv: 4500kv Watt: 300 Max RPM: 60,000 Maximum voltage: