BrotherHobby VY 1507 4150Kv is a powerful motor suitable for 3-4" freestyle drones or cinewhoops with 3-4S batteries. The motor is made from durable 7075 aluminum alloy, uses curved N52H magnets, and high-quality NSK 5×2×2.5 mm Japanese bearings. It comes with a 16 cm 24AWG wire and weighs 16 grams. The motor features a standard 5 mm shaft.