Pack of two feature-rich 12V 550 40000RPM motors designed to enhance power and speed in children's ride-on toy cars. Constructed with durable plastic housing and a high-quality motor, this gearbox delivers durability, reliable performance, and extended lifespan for long-term use. The high-speed 12V 550 40000RPM drive motor gearbox features 12V DC voltage, 40000RPM speed, a 12mm shaft hole diameter, and a compact 35mm motor diameter. This combination ensures strong performance and a smooth riding experience for kids. Designed for easy installation and replacement. The unit supports straightforward setup without complicated tools. Model numbers are clearly marked for compatibility reference. Suitable for use in various children's ride-on toys that require a 12V motor gearbox. Offers flexibility for vehicle upgrades. The high-speed motor gearbox is compatible with most children's ride-on cars, allowing for seamless performance improvement and an enhanced riding experience. Installation is simple with quick-connect wire connectors that require no soldering. Gearbox can be quickly installed or removed. Always inspect the vehicle’s battery before operation. Ensure the battery is in good condition and all connections are secure for optimal performance. Color: black Material: plastic + metal Note: Slight color variations may occur due to lighting and display differences. This does not affect functionality. Package Contents: 2 Pcs Kids Ride On Car Gearbox 550 12V Motor Only the above items are included. Light reflection and screen settings may cause slight color differences between the image and the actual item. Measurement may vary by +/- 1-3cm.