Features 1、High Speed Bearings: High speed precise bearings are used, and high purity copper windings maximize electrical conductivity, with strong torsion and stable output power. 2、CNC Machining: CNC machining billet T6 aluminum heat sink tank, strong sintered neodymium magnets, and the shell can effectively preserve the internal parts. 3、Aluminum Tail Cover: Aluminum tail cover, ultra low internal resistance, improves motor performance, reduces motor operating temperature, optimizes heat dissipation efficiency, and adjusts disassembly time. 4、Dual Sensor Ports: Adjustable timing, dual sensor ports, precise engineered for maximum energy conversion, compatible with any sensored or sensorless ESC. 5、Detachable: High power brazing tabs, removable, replaceable rotor design, easy to clean and maintain, effectively extending the life of the motor. Item Type: Sensored Brushless Motor Material: Aluminum Alloy and Copper Gross Weight: 199g / 7.0oz Model: 540 V3 Color: Black Purple KV(RPM/Volt) : 7800KV Output Power: 490W General Lithium: 1-2S Maximum Current: 108A Motor Pole Number: 2 No Load Current: 7.4V 6.5A Resistance(Ω): 0.0042 Motor T Number: 4.5T Motor Diameter: Approx.35.8mm / 1.4in Motor Length: Approx.54mm / 2.1in(excluding shaft) Axle Diameter: Approx.3.175 mm / 0.125in Shaft Length: Approx.14.5mm / 0.6in Rotor Size: Approx.12.5 x 5mm / 0.5 x 0.2in Suitable: for 1/10 1/12 RC off road, drift vehicles Package List 1 x 540 V3 Sensored Brushless Motor 1 x Induction Line 1 x Instruction Manual