Vittoria terreno g2.0 mountain bike tyreready to take on challenging cross country xc terrain, this mountain bike tyre is designed with a graphene 2.0 compound and a nylon casing to make it exceptionally lightweight and hard wearing. What's more, it's tubeless ready, giving you lower rolling resistance for straightforward climbs and well managed descents. Featurescompounds graphene 2.0casing nylon 120 tpityre bead foldingtyre type tubelesstubeless ready yessize width 29 x 2.1 2.25weight 650gtechnologiesgraphene 2.0 compound vittorias unique graphene compound is superior in rolling performance, grip, traction and longevity. This compound provides the performance benefits required for competitive, consistent racing output. The original graphene compound raised the bar for performance evenly through all disciplines, whereas graphene 2.0 pinpoints the performance requirements from each cycling discipline and enhances them for speed, grip, durability and puncture resistance.buy vittoria wheels tyres from chain reaction cycles, the world's largest online bike store.