Description: High quality Waterproof 2958 4200KV Brushless Motor. 4 Pole 12 slot hi-torque motor design,CNC machined 6061 T6 billet aluminum heatsink can High purity copper windings maximizes efficiency,High RPM ABEC5 oversized bearings Precision balanced rotor, smoothness for best reliability and maximum RPM,Precision engineered for maximum energy conversion Suit for 700mm (or Above) RC Boat. Specification: KV(RPM/Volt): 4200KV RPM: 60000 Watt: 1400W No load current: 2.1A Max voltage: 14V Diameter: 29mm Length: 58mm Shaft diameter: 3.175mm Connector: 4mm golden banana connector Stator-super thin (0.2mm) laminations,Removable/replaceable rotor Size Chart: Material: Aluminium alloy. Color:Black Package Includes: 1 piece Waterproof 2958 4200KV Brushless Motor