4 pole 12 slot high-torque motor design Precision engineered for maximum energy conversion Precision balanced rotor,smoothness for best reliability and maximum RPM Mutiple protection features: Low voltage cut-off protection, over-heat protection, throttle signal loss protection Suit for 1 or 10 scale RC car Specifications: Motor KV(RPM or Volt): 4300KV Max RPM: 50000 Max current: 75A Max watts: 900W Max voltage: Less than12V Rotor poles: 4 Resistance: 0.0081Ω Diameter: 36mm Length: 50mm Shaft length: 15mm Shaft diameter: 3.175mm Connector: 4mm golden banana connector ESC Item Model: 60A Type: Brushless Voltage Level: Normal Continuous Current: 100A Burst Current(10s): 800A Suggested Battery Cell: 2-4S Lipo BEC output: 6.0V or 5A Power Supply: 2-4S Colour:As shown in color Material:Composite material Package Contents: 1 x 3650 4300KV Brushless Motor 1 x 60A Brushless ESC 1 x Programming Card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.