The Vittoria Air-Liner Light XC Tire Insert is the ideal choice for riders looking to push their limits without fearing running a flat on a rough trail. It features tubeless bead lock protection, run-flat capability, and provides extra speed and protection.An insert designed to prevent flats for tires up to a 2.4 widthLightweight structure increases control and performance Offers run-flat capability and retains a supple feelFeatures tubeless bead lock protectionMaterialfoam-basedActivitybike maintenanceManufacturer Warranty2 years