Brushless RC Motor 1800 KV for 2-4S. The Hobbywing Quicrun Fusion 8IGHT SE 1800kV 2-4S combines state-of-the-art technology with a compact design for your RC car. This brushless electric motor offers impressive 1800 KV performance and is specifically designed for use in model vehicles. With a diameter of 41 mm and a length of 6.90 cm, the Hobbywing Quicrun Fusion 8IGHT SE 1800kV 2-4S fits perfectly into various chassis, while the robust 5 mm shaft ensures reliable power transmission. The integrated design simplifies installation, while the moderate weight of 326.50 g supports your model's agility. The Hobbywing Quicrun Fusion 8IGHT SE 1800kV 2-4S is designed for operation with 2 to 4S LiPo batteries or up to 12 NiMH cells, making it a versatile choice for enthusiasts aged 14 and over. Experience precise control and efficient performance with every use on the track. - Motor type: Brushless - BEC: 4 A - Operating voltage from: 6 V - Application area: Car - Operating voltage up to: 7.4 V - No-load speed per volt: 1800 kV. Brushless Motor: A brushless motor is an electric motor without brushes, which, compared to a brushed motor, is characterized by higher efficiency, less wear, and lower weight.