2 Pcs Replacement front Wheel Caster Assembly iRobot Roomba 980 880 780 For 500， 600，700，800 and 900 Series Vaccum Cleaners<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fits all 500 600 700 800 900 Series Roomba Models</li><li>Replaces old broken， loose， worn， or missing front wheel caster</li><li>Easy replacement snaps in place - no tools required!</li><li>Package Included: 2Packs Front Caster Wheels</li><li>100% High Quality Guaranteed !!!</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41JiwL3fugL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BCJ5Afw7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41X2cbfK9RL.jpg" noproxy>