Cushcore Trail Tire Insert – 29″ Pair. CushCore is an engineered foam insert to be mounted inside a tire designed to absorb impacts reduce vibration and increase lateral stability. These characteristics translate to a more controlled comfortable and faster ride. The system is designed to be used with tubeless-ready or tubeless converted rims and tires and is compatible with tubeless tire sealants A specially designed tubeless air valve is included with each insert; allowing air to move through the valve without becoming obstructed by the insert The insert divides the inner volume of the tire in half maintaining air underneath…