Original authentic
There is a letter L on the left wheel and a letter R on the right wheel

【Shipping list】
One original wheel, whether it is left or right, please note, thank you!

【Applicable Model】
Roomba 535 510 52708 527e 528 529 550 552 560 562 570 580 595 601 602 620 620 630 650 655 660 690 694 760 770 780 790 860 864 870 871 880 885 890 960 964 980 etc.

Note: The 800/900 series are only different colors and can be used universally