Description:This 540 brushless motor is made from the best materials available, and is designed to provide both quality and performance. Adopting high quality aluminum alloy parts, the 540 13.5T brushless will provide more power and longer run times with its high efficiency. Features: CNC machined aluminum heatsink shell is of good heat dissipation.High purity copper windings maximize conductivity and lower energy consumption.Bonding pad is high-power, soldering point is smooth and won't interfere with the use of electronic components.Rotor is removable and replaceable.Powerful sintered neodymium magnet. Precision design for maximum energy conversion. Adjustable timing. Compatible with any sensored or sensorless ESC. Compliance of IFMAR, ROAR.Specification: Material: Metal + MagnetColor: BlueOptional Turns: 4.5T / 13.5TMax Current: 108A / 49AWatts: 490W / 190WMotor Model: 540Sensored: YesMotor Diameter: Approx. 36mm / 1.41inchMotor Length: Approx. 50mm / 1.97inchShaft Diameter: Approx. 3.175mm / 0.125inchShaft Length: Approx. 13mm / 0.51inchMax Voltage: 3.7V(1S) - 11.1V(3S)Weight: 204gType: RC PartPackage Includes:1 x Motor1 x Cable