1Sensorless motor with noninductive Hall component, stable start, high efficiency, high torque. 2Precision design for maximum conversion of energy. 3Excellent heat dissipation quality ensures reliable operation system. 4Steady shaft has longer service life. 5Low energy consumption and low noise. Features: Sensorless motor with noninductive Hall component, stable start, high efficiency, high torque.Precision design for maximum conversion of energy.Excellent heat dissipation quality ensures reliable operation system.Steady shaft has longer service life.Low energy consumption and low noise.Specifications: Condition: 100% Brand New Item Type: Brushless Motor Material: Alloy Model: C4250 Shaft Diameter: 5mm Output Shaft Length: 20mm KV Value: 560KV (customizable KV value) Maximum Power: 1760W Voltage: 11.1-36V Speed: 6000-9000 Torque: 1-2N/m Stall Torque: 7-8N/m Winding Number: 9 Number of Motor Poles: 14P Stator Slot Number: 12N Resistance: 0.068 No-load Current: 1.5-1.6A (maximum current 80A) Banana Connector: 3.5/4.0mm Lithium Battery Section Number: 3-8S Mounting Holes Spacing: 25/17mm Mounting Hole Size: M2.5*4 Diameter: Approx. 42mm / 1.7inch Height: Approx. 50mm / 2.0inch Weight: Approx. 257g Package List: 1 x Motor 1 x Propeller1 x Bracket 8 x Screw