Oregon 72-749 Semi-Pneumatic Flat Free Tire 8X300-4<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>8x300-4</li><li>3-1/4-inch centered hub</li><li>3/4-inch roller bearings</li><li>Will never go flat</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ycBFBErUL.jpg" noproxy>