Pack of two 12V 550 40000RPM motors designed to enhance power and speed in children's ride-on toy cars. Constructed with durable plastic and high-quality motor components, this gearbox delivers reliability, strong performance, and extended durability for long-term use. The 12V 550 40000RPM drive motor gearbox features a DC voltage of 12V, high speed of 40000RPM, a 12mm shaft hole diameter, and a compact 35mm motor diameter. This combination ensures consistent performance and a smooth riding experience for kids. Simple to install and replace. Designed for both performance and ease of use. Model numbers are clearly marked for easy identification and compatibility. Ideal for use in children's ride-on toys that require a 12V motor gearbox. Offers versatile upgrade options for ride-on car modifications. The high-speed motor gearbox is compatible with most children's ride-on cars, providing a seamless performance upgrade for an enjoyable ride. Features quick-change wire connectors for easy installation without soldering. Gearboxes can be installed or removed quickly. For best results, inspect the car's battery before use. Ensure the battery is in good condition and the cables are securely connected. Color: Black Material: Plastic + Metal Note: Slight color variations may occur due to lighting and display differences. This does not affect product 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.