motor elétrico da prancha do motor 5062 sem escova exteriores impermeáveis do rotor de 12V 24V IP68

12V 24V IP68 Waterproof Outer Rotor Brushless Motor 5062 Electric Surfboard Motor With Propeller Main features: a): IP rate: IP68; b): shaft material is 316 stainless steel, can long term working in the ocean; c): Salt spray test lasts >140 hours, by using special bearing and lubrication; d): It can effectively protect copper wire and silicon steel sheet from seawater corrosion by adopting high thermal conductivity material in the vacuum sealing coil; e): The solder joints of