22 poles brushless motor, specially designed for High-end Multi-rotor/UAV systems Based on proven TE-MR technology, all parts are newly designed 2nd generation stator design, still using the best 0.2mm material, improved motor efficiency New winding method, lower IR, remarkable lower temperature after long running time Detachable stator, easier to maintain Imported over-sized ball bearing, low noise, ultra-long working life Short shaft design, better to work with MR propellers Optimized Dualsky "Star" appearance with precise secondary processing, artistic and high-precision high-precision rotor, dynamically balanced on both size, lowest resonance in RC industry New stator cover, protect power wires Multiple mounting holes, compatible with DJI frames Extra long silicone power wire, easier for installation Laser-etching model data and serial number Comes with full propeller adapters, compatible with both airplane and multi-rotor propellers There are two types of motors for each motor size to fit the different flight requirements: high power type and long running time type Recommended to work with Dualsky MRP series propellers to achieve best working efficiency Recommended to work with Dualsky MR series ESC (400Hz control frequency) Fully tested to pass quality inspection in Dualsky Shanghai Factory