1. High-performance Brushless Motor: The 4X 1103 8500KV Brushless Motor is designed to deliver exceptional power and performance for your Mini drones. With its advanced technology and precise engineering, this motor ensures smooth and efficient operation. 2. 1.5mm Shaft: Equipped with a sturdy 1.5mm shaft, this motor offers enhanced durability and stability during flight. It can withstand high RPMs and provide reliable performance even under demanding conditions. 3. Compatible with 65mm Propeller: Designed specifically for use with 65mm propellers, this brushless motor ensures optimal compatibility and maximizes the efficiency of your drone's propulsion system. Enjoy improved thrust and maneuverability. Mode: 1103 KV8500 Configu-ration: 9N12P Stator Diameter: 11mm Stator Length: 3mm Shaft Diameter: 1.5mm Motor Dimension(Dia.*): 14mm x 16mm No.of Cells(Lipo): 1-2S Colour:As Shown Material:Metal Package Contents: 4X 1103 8500KV Brushless Motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.