CushCore Pro Tire Insert - 29" Single Fits Brand-Fondriest P Zero SmarTube is the

P Zero SmarTube is the most advanced inner tube in the range

Designed to be durable enough to withstand the increased demands of E-MTB applications and a perfect solution to heavy-duty use and abuse

I am convinced that this is the future of xc skiing

They decided to use an independent damping system so if it should fail

CushCore Pro Tire Insert - 29" Single Fits Brand-Fondriest P Zero SmarTube is theCushCore 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 The insert divides the inner volume of the tire in half maintaining air underneath the tread