Vittoria martello g2.0 mountain bike tyre tntthis mountain bike mtb tyre ticks all the boxes. It's tubeless ready and incredibly versatile, able to handle all the challenging off road terrains of dh downhill and enduro trails. It features a moto cross square tread block composition to grip the earth and enhance rider control without sacrificing your speed. A world championship winner, it's ready to tackle whatever challenges the trails throw at you. Featurescompounds graphene 2.0, 4c compounddiscipline dh, enduro, all conditionscasing nylon 120 tpibead type clincher, tnt tubelessuse mtb dh enduroweight 920g 27.5x2.35technologiesgraphene 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 pin points the performance requirements from each cycling discipline and enhances them for speed, grip, durability and puncture resistance.4c compound exclusively developed by vittoria and achieves high end performance. The 4c is a layering process using 4 separate rubber compounds within the same tread. The 4c construction provides unmatchable versatility in both the central and side tread areas. The finished product is extensively tested to ensure it meets the competition level performance that road and off road cyclists demand, and benefits the rider significantly, providing better rolling efficiency, better grip and puncture protection.tnt vittoria tnt tube no tube tyres are up to 100g lighter than standard tubeless tyres that others manufacture. However, they have exceptional reinforced sidewalls that provide massive cut resistance and puncture protection. Tnt tyres offer better cornering stability, faster rolling and fewer pinch flats burps when running at lower pressures.buy vittoria wheels tyres from chain reaction cycles, the world's largest online bike store.