1、Made of high quality material and adopting exquisite workmanship, which makes the motor more durable and operate smoothly 2、Special strong suction wind design can greatly cool down the whole temperature of the motor to get better work efficiency 3、Low gravitational center will reduce the rack shocking caused by motor rotating and keep more stable flying 4、With clearly motor rotate direction mark, easy to install 5、Lightweight design ensure longer flying time Features: 1. Made of high quality material and adopting exquisite workmanship, which makes the motor more durable and operate smoothly. 2. Special strong suction wind design can greatly cool down the whole temperature of the motor to get better work efficiency. 3. Low gravitational center will reduce the rack shocking caused by motor rotating and keep more stable flying. 4. With clearly motor rotate direction mark, easy to install. 5. Durable locknut can fix the propeller firmly and will not easily fall off. 6. Lightweight design ensure longer flying time. 7. Special designed for racing quadcopter. Specifications: Condition: 100% Brand New Item Type: RC Accessory KV: 2300KV Options: Black Locknut, Silver Locknut Framework: 12N14P No. of cells: 2-3S Length: 29.2mm / 1.15inch Diameter: 27.9mm / 1.1inch Shaft: 3mm / 0.1inch Propeller: 5-6inch Package Weight: Approx. 84g Test Data for Reference: Package Include: 1 x Motor 1 x Hex Wrench 8 x Screws