Dahon Vitesse P18 Folding Bicycle 18 speeds and a 28 low gear will carry you up almost any grade climb Folds in under 15 seconds Easy to carry weighs only 12.3 kg BioLogic PostPump is a high capacity pump integrated in the seatpost is always ready when you need flat Dahon Special Edition Schwalbe Kojak tires are lightning fast and deliver loads of traction