The Schwalbe Smart Sam Performance Line DD RaceGuard Folding ADDIX Tyre is reliable in every condition and even rolls well on roads. An impressive, perennial favourite with excellent all-round properties. For MTB riders who frequently switch between road and off-road terrain.Schwalbe Smart Sam Performance Line DD RaceGuard Folding ADDIX Tyre FeaturesThe modern, distinctive off-road tread design stands out due to the dense center lugs, which provides comfortable rolling with low vibration and long durabilityEdged outer blocks simultaneously provide safety and optimum off-road grip