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 reliable performance and long-lasting durability. The 12V 550 40000RPM drive motor features a 12mm shaft hole diameter and a compact 35mm motor diameter, ensuring high compatibility and efficient operation. Engineered for smooth performance and easy installation, this gearbox is suitable for most 12V ride-on toy cars. Features include quick-connect wire connectors for tool-free setup and removal. Designed for straightforward replacement and hassle-free integration. Check battery and cable connections before use to ensure proper functionality. Color: black. Material: plastic and metal. Note: Slight color variations may occur due to lighting and display differences, but do not affect product performance. Package includes: 2 pcs 550 12V motor gearboxes for kids' ride-on cars. Other items not included.