The iFlight XING2 1806 1600Kv is a quality motor designed for 5" ultralight drones with 6S battery or ultralight long-range 6" drones with 4S battery. Its size is comparable in performance to 2204 motors. To keep the weight low at 20.2g including black cables, the motor uses a T-mount propeller mount with a 1.5mm shaft with 6x6mm M2 holes.
The iFlight XING2 series of motors is one of the better ones on the market. They use a durable 7075 aluminum alloy rotor, titanium alloy shaft, quality NSK bearings as well as N52H round magnets.