Vittoria Corsa Control G+ Isotech Tubular TyreThe Vittoria Corsa Control G+ Isotech Tubular Tyre uses a Graphene+ compound, which is a revolutionary substance that’s only 1 atom thick but 200 times harder than steel, making it the lightest material known in the world of cycling. In terms of speed, grip and durability the Corsa G+ Tubular makes no sacrifices and is one of most exceptionally performing tyres ever created; it raises the bar for what should be expected from Tubular tyres Features: ÿCompound: Graphene+ ÿBead: Tubular ÿWeight: 295g (700x25c)Technologies: ÿGraphene+ Compound: Vittoria?s unique Graphene compound is superior in rolling performance, grip, traction and longevity. This compound provides the performance benefits required for competitive, consistent racing output. ÿ4C 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 Buy Vittoria Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.