FIRMA 1200Kv 1/6 BL Sensored Crawler Motor>Features Large 5684 can size to fit the demands of giant scale crawlers and scalers FOC (Field Oriented Control) equipped High quality 4 pole sintered rotor Polarity protection magnetic encoder inside the motor guarantees consistency between three phases' signals and always outputs precise signals indicated by rotor position. When installing simply match wire color to esc connectors 4mm gold plated bullet connectors Waterproof sensor wire with