Description: High quality Waterproof 2968 3400KV 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 600-800mm RC Boat. Specification: Item No.: 2968 KV(RPM/Volt): 3400KV RPM: 60000 Watt: 1800W No load current: 2.2A Max voltage: 17V Diameter: 29mm Length: 68mm Shaft diameter: 4mm Connector: 4mm golden banana connector Stator-super thin (0.2mm) laminations?Removable/replaceable rotor Size Chart: Material:Metal Color:Black Package Includes: 1 piece Waterproof 2968 3400KV Brushless Motor