Welcome to our store! 1、 Strong pulling force, high efficiency, low power consumption, high performance, exquisite workmanship, and long service life. 2、 Using high-quality materials, it is lightweight and portable, with stable working performance and low noise. 3、Easy to install, it is used to replace damaged or unusable motors with simple operation. 4、The precisely balanced rotor is stable, has the best reliability and the greatest RPM. 5、Precise design can achieve maximum energy conversion and outstanding performance, suitable for RC fixed-wing airplanes with 4.0mm banana plug. Item Type: 5055 400KV Brushless Motor Model: 5055 Material: Aluminum Alloy + Copper Product Color: Black and Blue Motor Size: Approx. 55x50mm / 2.2x2.0in Product Weight: Approx. 401g / 14.1oz KV: 400KV Maximum Power: 1420W Adapter Blade: 14x5/15x8/17x9 Support Battery: 11.1-25.2V Recommended ESC: 100A Compatible: Fits for RC fixed-wing airplanes with 4.0mm banana plug 1 x Brushless Motor 1 x Cross Seat 1 x Paddle Clip 1 x Fixed Nut 3 x Heat Shrink Tube 3 x 4.0mm Banana Plug 8 x Screw 1 x Manual Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.