2Pcs 24V 555 40000RPM Motor for Kids Ride On Car – This 24V 555 40000RPM drive motor gearbox is made of high-strength plastic combined with a high-quality motor 24V 555 Motor Gearbox – High-speed drive motor gearbox with DC 24V voltage, 40000RPM speed, 12mm shaft hole diameter (0.47 inch), and 35mm motor diameter (1.38 inch) Check Your Motor Model Number – Easy to replace; designed for kids ride on cars. Check the model number on your existing motor to ensure compatibility (for 24V motor gearbox) Customized for Car Modification – Designed for high-speed performance; widely used in most kids ride on cars Easy to Use – Features quick-change wire connectors for tool-free installation and fast removal of gearcases. Please verify that your car is functioning properly—check battery condition and cable connections Color: Black Material: Plastic + Metal Package Contents: 2 x Motor Note: Light reflection and different displays may cause slight color variations between the image and actual item. Measurement may vary by +/- 1-3cm