This 540 21.5T 1760kv brushless motor is built from high quality aluminum alloy that are produced on the latest CNC milling machines, and is designed to provide both quality and performance at an affordable price. The 540 21.5T brushless motor will provide more power and longer run time with its high efficiency.<br><br>Features:<br>High power solder tabs<br>Hight RPM precision bearings<br>Removable/Replaceable rotor<br>Powerful sintered neodymium magnet<br>Accurate calibration for adjustable timing<br>Compatible with any sensored/sensorless ESC<br>CNC machined billet T6 aluminum heatsink can<br>High purity copper windings maximizes conductivity<br>Precision engineered for maximum energy conversion<br><br>Specifications:<br>Battery: 2-3S LiPo battery<br>Turns: 21.5<br>Sensored: Yes<br>Max current: 28A<br>KV: 1760KV<br>Watts: 100<br>No load current: 0.9A<br>Resistance: 0.0875<br>Diameter: 35mm<br>Length: 50mm<br>Shaft length: 12.5mm<br>Shaft diameter: 3mm<br><br><br><br><br><br>Package Information:<br>Package size: 9.5 * 8 * 6cm / 3.7 * 3.1 * 2.4in<br>Package weight: 198g / 7oz<br>White box package<br><br>Package List:<br>1 * 540/21.5T 1760KV Sensored Brushless Motor