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 motor features a 12mm shaft hole diameter, 35mm motor diameter, and operates at 40000RPM for high-speed performance. Designed for easy installation and replacement with quick-change wire connectors, no soldering required. Suitable for most 12V ride-on toy cars, enabling a seamless upgrade for improved driving experience. Includes model numbers for easy identification and compatibility reference. Ideal for use in children's ride-on vehicles requiring a 12V motor gearbox. Color: black. Material: plastic and metal. Slight color variations may occur due to lighting and display differences. Package includes: 2 pcs kids ride-on car gearbox 550 12V motor. Other items not included. Measurement may vary by +/- 1-3cm.