The One tire redone for gravel use features densely packed micro knobs and a round profileAddix Green compound is the latest enviromentally friendly from Schwalbe and uses naturaly and recycled elementsRCGD - RaceGuard - A synthesis of special India rubber and several layers of nylon fabric offers very effective protection against penetration punctures while minimizing penaltiesGRN - Environmentally friendly rubber compound with consistent performance made from recycled rubber and carbon blackTubeless700x40622TBLS - FoldBeltedBk/Bsk6548567GRN/RCGD/EBIKE25NoUPC/EAN/GTIN: 4026495958141