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, this will be easier 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, this will be easier 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 Color: As Pictures Show Optional Motor: 2300KV, 2600KV Optional Motor Direction: CW, CCW Framework: 12N14P Battery: 3-4S LiPo Battery Length: 31.7mm / 1.2inch Diameter: 27.9mm / 1.1inch Package Weight: Approx. 103g Test Data for Reference: Package Include: 1 x Motor 1 x Hex Wrench 15 x Screws 3 x Nuts