Description: High torque Low Noise RC Car 550 Magnetic Brushed 21T Motor with Cooling Fan Internal rotor with multi-pole winding, powerful torque Has good performances, high torque and low noise Precision engineered for maximum energy conversion Good wear resistance and strength Suit for RC Car Truck Buggy Boat Model, such as HSP HPI Tamiya FS Kyosho TRAXXAS Yokomo WL toys Material: Aluminium Alloy Specification: Voltage 7.2V Turns: 21T No Load Speed: 13000rpm No-load Current: 2.3A Current: 6.3A Maximum efficiency: 71% Maximum output power: 68.88W Size Chart: Shaft diameter: 3.175mm Out shaft: 16mm Outside diameter: 36mm Body length: 65mm Mounting hole: 25mm, 3mm screw hole. Package Includes: 1 Pieces 550 Brushed Motor