A10 Outrunner Series A10 7L Kv (rpm/V) 2200 Max Power (W) 60W Max Amp (15sec) 8A Max Efficiency 79% Io (No load A) 1.1A Rm (Resistance) 0.11Ohm Shaft Diameter 2mm Gearbox N/A Motor Diameter 21mm Motor Length 25mm Motor Weight 20g Built in Fan N/A Max Rpm 25,000 Poles 12 Case Outrunner ESC Timing 20-25 deg ESC Switching Freq. 8-16KHz