555 30000RPM Motors: Our ride-on car motors are crafted with high-grade plastic boards coupled with top-notch motors, ensuring ultimate durability and long-lasting performance for your kid's enjoyment. Details of 555 Motor Gearbox: This 24V/12V 555 30000RPM high-speed drive motor gearbox boasts a voltage of DC 24V/12V and speed of 30000RPM. The shaft hole diameter is 12mm (0.47inch), while the motor diameter measures 35mm (1.38inch), perfect for most of the kid's ride on cars in the market. Easy Installation: To ensure an effortless replacement process, our motor gearboxes come with quick-change wire connectors requiring no soldering. For the perfect fit, simply cross-check your current motor model number (for 24v/12V motor gearbox). Installation or removal of gearcases has never been easier. Customization for Car Modification: These gearboxes are specially tailored for car modification, leveraging high speeds for a thrilling kid's car ride experience. The 24V/12V Motor Gearbox is a popular choice for most kid's ride on car modifications, bringing joy to your little one's playtime. Smooth Operation: To guarantee the optimal performance of your kid's ride on car, ensure your car is operating properly. Check for any potential issues with the car battery or cable connection before using our gearbox. Enjoy a seamless and adventurous playtime with your kid with our high-quality motor gearboxes. Voltage:24V / 12V Note: There is slight color difference or difference between the actual product and it does not affect the use. Color: black Material: plastic+metal<br><br>Package Contents: 2*Electric Motor Gearbox Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.