This is a pair of 1/10 scale Stadium Truck Closed Cell Foam Inserts from AKA Racing. Lateral grooves added to inner diameter allow the insert to flex vertically to absorb large impacts and still maintain lateral stability and durability Two 1/10 scale Stadium Truck Closed Cell Foam Inserts 1/10 scale stadium truck tires and wheels Tire glue DTXR2000, DTXR2002 Diameter: 3.75" (95.2mm) Width: 1.8" (47mm) jxs 03/07/13 ir/jxs &