Compatible Models: Compatible with Roborock S8/S7/Q7/S6/S5/G20/G10S/G10/T7S/S65/S55 series and Xiaomi Mi 1C/F9 vacuum cleaner accessories. Easy Replacement: The upgraded model is more compatible with your device. If your device is not suitable, simply delete the white firmware above to use it. Simply remove the old wheel and install the new one. It is simple and efficient to use. High-Quality Materials: Made of high-quality materials, the silent front wheel is mounted on ball bearings for smooth operation. Thanks to premium materials, fine workmanship, and a smooth surface, it rolls quietly on the floor for increased efficiency. Maintenance: Regular maintenance is required. Frequent back-and-forth movements wear down the wheel surface, slowing down or even hindering movement. Dust and hair easily accumulate during cleaning, clogging the wheel and significantly reducing efficiency. Package Contents: 1 x Front Wheel for Roborock Robot Vacuum Cleaner (If you have any questions, please