The Xiaomi Robot Vacuum X10 B102GL main brush cover is an original replacement component designed to secure the main brush within its dedicated compartment. Made from gray polycarbonate, this part measures 189 x 75 x 17 mm and provides a lightweight yet durable shield that ensures the vacuum operates efficiently. By keeping the brush firmly in place, the cover prevents excessive dirt from accumulating around the mechanism, which helps reduce overall wear on the system. Its simple design allows you to install or remove the piece easily during routine maintenance, making it a practical choice for anyone looking to keep their robot vacuum in top working condition.