Features High Performance:The RS550 12V motor is designed to deliver high speed and reliable performance, making it an ideal choice for powering electric toy cars and children's motorcycles. Compact Design:With its small and lightweight structure, this micro motor is for DIY projects and space-sensitive applications, providing powerful output without compromising on efficiency. Versatile Use:Beyond just toys, the RS550 motor can be used in a variety of applications including hobby projects, home improvement tasks, and miniature models, offering flexibility and adaptability. Sturdy Construction:Built with quality materials and a solid magnetic, this motor ensures longevity and consistent performance, resisting wear and tear from frequent use. Easy Integration:The RS550 motor comes with pre-installed leads, making it easy to connect and integrate into existing setups without the need for complex wiring or additional components. Features: Made of premium material, high strength, strong structure, in use. Exquisite workmanship, smooth metal surface without obvious scratches. High moment of force, strong power, stable rotating speed. Compact size and light weight, low noise and stable performance. Suitable for toy car, children motorcycle, etc. Specification: Motor Model: RS550 Tooth Head Size:10*3mm, 13*3mm Motor power: 35W - 55W Motor total length: 8cm / 3.1in Motor width: 3.7cm / 1.5in Bottom diameter: 3.5cm / 1.4in Mounting hole: 2.5cm / 1in Motor shaft: 0.3cm / 0.1in Package List: 1 x Motor 2 x Tooth Head Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Before purchase, it is necessary to verify whether the motor model and the tooth size match. packing list: 1 x Motor 2 x Tooth Head Package List 1 x Motor 2 x Tooth Head