1High quality EMAX RS1108 brushless motor with 4500KV, 5200KV and 6000KV optional. 2Strong thrust power, stronger than other ordinary brushless motor. 3Light in weight and can running stably with lower noise. 4Shaft diameter of 1.5mm and 9N12P framework. 5Produces 336g of thrust on RS1108 3S. Features: 1. High quality EMAX RS1108 brushless motor with 4500KV, 5200KV and 6000KV optional. 2. Strong thrust power, stronger than other ordinary brushless motor. 3. Light in weight and can running stably with lower noise. 4. Shaft diameter of 1.5mm and 9N12P framework. 5. Produces 336g of thrust on RS1108 3S. Specification: Condition: 100% Brand New Item Type: RC Accessory Framework: 9N12P Optional KV: 4500KV/5200KV/6000KV Length: Approx. 20.5mm/0.81in Diameter: Approx. 14.2mm/0.56in No. of cells: 2-4S Max. Thrust: 336g (on 3S) Shaft diameter: 1.5mm Propeller: 2"-3" Weight: Approx.8.2g/0.29oz Package List: 1 * Motor 1 * Sticker 1 * Bag of Accessory