SCREENTRONICS Front Wheel Caster Assembly Compatible with All iRobot Roomba 500 600 700 800 900 E5 E6 i1 i1+ i2 i3 i3+ i4 i4+ i5 i5+ i6 i6+ i7 i7+ i8 i8+ j5 j5+ j6 j6+ j7 j7+ j8+ j9+ Vacuums Cleaner

Compatible replacement: Front Wheel specifically designed for iRobot Roomba 500 & 600 Series 510, 520, 521, 530, 531, 532, 533, 534, 535, 536, 537, 540, 541, 545, 550, 551, 552, 555, 560, 561, 562, 563, 564, 565, 566, 570, 571, 572, 573, 577, 580, 581, 585, 587, 589, 590, 595, 599, 606, 610, 611, 612, 614, 615, 616, 618, 619, 620, 621, 625, 627, 630, 635, 637, 640, 643, 645, 650, 651, 652, 655, 660, 665, 667, 670, 671, 675, 676, 677, 680, 681, 685, 690, 691, 692, 693, 694, 695, 696, 697, 698. Compatible with All iRobot Roomba 700, 800, 900 Series 760, 761, 770, 780, 790, 801, 805, 850, 860, 870, 877, 880, 890, 891, 895, 960, 961, 980, 981, 985. Compatible with All iRobot Roomba e, i, & j Series e5(5150), e5(5134), e6(6198), i1(1152), i1+(1552), i2(2152), i3(3150), i3+(3550), i4(4150), i4+(4552), i5, i5+, i6, i6+(6550), i7(7150), i7+(7550), i8, i8+(8550), j5, j5+, j6, j6+, j7(7150), j7+(7550), j8+(8550), j9+. Design and Maintenance: The Front Wheels are made of durable materials. This construction ensures durability and helps the wheels grip the floor surface efficiently. To keep your robot running at peak performance, the front caster wheel are recommended to be replaced every 12 months. It is easy to be replaced and installed on your robot vacuums. What In Box: 1 x Front Caster Wheel.