This Ummagawd Aerolite 2004 1600Kv motor is perfect for RC enthusiasts who want a lightweight and high-performance motor for their drones or RC vehicles. With a weight of only 18.3g, it's designed to meet a 300g AUW target. It features a 2-screw motor mount, perforated bell with slotted cutouts, titanium bolts, and ribbon motor wires for a clean build. The motor has a 3mm shaft with custom oversized 8x4x3 bearings for smoothness and durability. The overall dimension is 24.7×13.2mm, with an installation hole position of 12×12mm, M2. The prop mounting shaft diameter is 1.5mm, and it's compatible with 3.5 - 5-inch props. The rated voltage is 4 - 6S (16.8V - 25.2V). It comes with 1 motor and a screw baggie.