The Air-Liner Protect Enduro tyre insert comes from the most demanding enduro and racing tracks in the UCI Mountain Bike World Series. The insert enhances the tyre's protection against the most extreme impacts, shielding your wheels from the track's unforgiving elements.The Enduro version of the Air-Liner Protect incorporates a lighter density foam than the Downhill version. This optimises shock absorption and improves handling. Unlike its predecessor, the Air-Liner Protect Enduro comes as a full loop, eliminating the need for cutting and zipping. For the most aggressive riding styles, the most extreme enduro racing, or for use on e-bikes, we recommend fitting the Air-Liner Protect Downhill at the rear for maximum protection.You'll no longer have to fear the wrath of jagged rocks or treacherous roots, because the Air-Liner Protect is there to protect you.Main features: Air-Liner Protect protects rims from violent impacts while reducing the risk of pinching. The "T" shape creates a barrier between the edge of the rim and the inside of the tyre.Features: Air-Liner increases control, durability, performance and protection of tyre and wheel. For tyres from 2.4 to 2.6". E-bike compatible. The Vittoria Air-Liner is a tyre insert designed for use in tubeless tyres. Weight: 135 g. One size only.