555 30000RPM Motors: Our ride-on car motors are made with high-quality plastic components combined with premium motors, ensuring reliable durability and long-lasting performance for your child's enjoyment. Details of 555 Motor Gearbox: This 12V 555 30000RPM high-speed drive motor gearbox operates at DC 12V with a speed of 30000RPM. The shaft hole diameter is 12mm (0.47inch), and the motor diameter is 35mm (1.38inch), making it suitable for most children's ride-on cars available in the market. Easy Installation: Designed for hassle-free replacement, our motor gearboxes include quick-connect wire connectors that require no soldering. For proper installation, simply verify your current motor model number (for 12V motor gearbox compatibility). Installing or removing the gearcases is simple and straightforward. Customization for Car Modification: These gearboxes are designed for vehicle modifications, offering increased speed for an exciting ride experience. The 12V Motor Gearbox is a common choice for upgrading children's ride-on cars, enhancing playtime fun. Smooth Operation: To ensure optimal performance of your child's ride-on car, make sure the vehicle is in good working condition. Check the car battery and wiring connections before installing this gearbox. Enjoy a smooth and exciting playtime experience with our durable motor gearboxes. Voltage: 12V Color: Black Material: Plastic and Metal Package Contents: 2 x Electric Motor Gearbox Only the above items are included; other products are not included. Note: Slight color variations may occur due to lighting or display differences, but this does not affect product quality. Measurement may vary by +/- 1-3cm.