VITTORIA AIR-LINER PROTECT ENDURO 29x2.4-2.6Air Liner Protect Enduro version incorporates a lighter density foam compared to the Downhill version, ensuring optimal shock absorption and enhanced handling Enhances the tire protection from the most extreme impacts, shielding your wheels from the unforgiving elements of the trail Made of low density expanded polyurethane and is compatible with any type of liquid sealant Compatible with tubeless set ups only and requires the use of an included