Welcome to our store! 1. CNC-machined aluminum front and back housings. High-purity and high-temperature-resistant copper spools deliver efficient high performance. 2. Output shaft and bearings: The motor uses a stainless steel output shaft with high strength, high precision, and high-quality bearings, making it super durable. 3. Balanced Rotor: Precisely balanced rotor for high smoothness, reliability, and maximum speed. Motor size (Diaxl): Approximately 42.3 x 42.5 mm / 1.665 x 1.673 in. 4. Suitable Model: QA4220 450KV brushless motor is ideal for RC planes with fixed wings, effectively improving your RC plane's performance. 5. Product Parameters: Maximum continuous power / 10 seconds (W)/10S is 1100W, maximum continuous current (A)/10S/10 seconds is 60A. Item Type: QA4220 450KV brushless motor Material: Aluminum alloy + copper + stainless steel Speed: 450KV Configuration: 12N 14P Motor Size (Diaxl): Approximately 42.3 x 42.5 mm / 1.665 x 1.673 in Number of Lithium Batteries: 3-6S Maximum Continuous Power / 10 Seconds (W)/10S: 2000W Maximum Continuous Current (A)/10S/10 Seconds: 80A Application: For remote-controlled planes with fixed wings Color: As shown in pictures Weight: Approximately 346g / 12.2oz Package Includes: 1 x motor 8 x screws 2 x accessories 3 x banana head screws 1 x nut 3 x rubber bushings 1 x manual Customers are our top priority. If you discover any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best post-purchase service.