The replacement front castor wheel is compatible with all Irobot Roomba i e 500 600 700 800 900 Series 530 550 614 620 630 650 655 660 665 690 760 770 780 790 805 860 870 880 890 960 980 i7 i7+ i7 plus. <br> <br> <br>Kindly note: <br> <br>This is not an iRobot original product and is not covered under any iRobot warranty. The iRobot brand name and logo are the registered trademark of the respective owner. Any use of the iRobot brand name, model or part designation for this product is made solely for purposes of demonstrating compatibility. <br> <br>Should you have any problem,please contact us and we will reply within 24 hours.