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, these motors deliver reliable performance and long-lasting durability. The 12V 550 motor features a DC voltage of 12V, rotational speed of 40000RPM, a 12mm shaft hole diameter, and a compact 35mm motor diameter, ensuring strong performance and smooth operation. Designed for easy installation and replacement with quick-connect wire connectors—no soldering required. Compatible with most 12V ride-on toy cars. Ideal for upgrading or replacing motors in kids' vehicles. Includes model numbers for easy identification and compatibility verification. Suitable for use in various children's ride-on toys requiring a 12V motor. Gearcases can be quickly installed or removed. For optimal performance, inspect the vehicle’s battery to ensure it is undamaged and properly connected. Color: Black. Material: Plastic and metal. Slight color variations may occur due to lighting and display differences, which do not affect functionality. Package includes: 2 x 12V 550 Motors for Kids Ride-On Cars. Other items not included. Measurement tolerance: +/- 1-3 cm.