Pack of two 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 reliable performance and extended durability, offering excellent value. This 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 and use. Model numbers are clearly marked for identification and compatibility. Ideal for use in children's ride-on toys that require a 12V motor gearbox. Suitable for car upgrades and modifications. The high-speed motor gearbox is compatible with most children's ride-on cars, providing a seamless performance upgrade for an enjoyable ride. Installation is simple with quick-connect wire connectors—no soldering required. Gearboxes can be quickly installed or removed. Always check the vehicle’s battery before use. Ensure the battery is in good condition and all connections are secure for optimal performance. Color: Black Material: Plastic and 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 Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm.