Lightweight motor weighing only 16.6 grams, including cables. The motor is suitable for 3" cinewhoops, fast 4" and ultralight 5". The motor uses a shaft with a diameter of 1.5 mm and a propeller attachment for 2 screws. The motor is perfect in combination with a Gemfan 5152 propeller, 4S battery with a capacity of 850-1100mAh and a light 5" frame like Rotorama Calypso.