Two-pack of feature-rich 12V 550 40000RPM motors designed to upgrade the power and speed of your child's ride-on car. Crafted from heavy-duty plastic board fused with a high-quality motor, this ride-on car gearbox ensures robustness, peak performance, and an extended lifespan, truly promising exceptional value for your investment. Impressive high-speed 12V550 40000RPM drive motor gearbox is equipped with impressive features such as a DC voltage of 12V, a high speed of 40000RPM, a highly compatible 12mm shaft hole diameter, and a compact motor diameter of 35mm. This potent combination guarantees unparalleled performance and a smooth ride for your child. Experience simplicity in installation and replacement. This gearbox is not only made for high performance, but also for ease of use. Model numbers are available for easy identification and gadget compatibility. perfect for use in rideable children's toys, especially those using a 12V motor gearbox. Enjoy advanced customization for car modifications. With its high-speed function, this 12v motor gearbox easily adapts to most children's ride-on cars, providing a seamless upgrade for an exciting and smooth ride that your little ones will enjoy. Installation is a breeze with quick-change cable connections that require no soldering. Quick installation or removal of gearboxes is . Also, carefully check the car's battery to ensure it is working properly. Confirm that the battery is not damaged and that the battery cable is properly connected for optimal operation. Color: black Material: plastic+metal Note: There is a slight color difference or difference between the actual product and it does not affect the use. Package Contents: 2 pcs Kids Ride on Car Gearbox 550 12V Motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3cm.