No easy challenge for Schwalbe's senior developer. The result, however, is outstanding. The tread of the Smart Sam is modern and balanced at the same time. The compact central rib provides comfortable rolling; the edged outer lugs guarantee optimized off-road-grip. For this reason Smart Sam is reliable in every condition and even rolls well on roads.\n\nADDIX PERFORMANCE\nADDIX is also available in the Performance version. Very durable, very versatile. Like Speedgrip it is a universal compound only these tires are not as light and fast as tires from the Evolution Line.\n\n\nE-BIKE READY 50\nSpecial tires are necessary for fast E-bikes. The best solution is tires with ECE-R75 certification, valid throughout Europe.\n\n\n\n27.5+\nGreater tire volume for even better mountainbike performance: more grip, more comfort, more suspension, more safety.\n\n\nRACEGUARD®\nDouble layer of Nylon fabric under the tread. Excellent puncture protection for a tire that should be fast and lightweight.\n\n\nDOUBLE DEFENSE\nPerformance. Double Defense.\nDouble protection. All around SnakeSkin + RaceGuard under the tread provides maximum security for off-road tires. The ideal requirement for the use on E-MTBs.\n\n\nPERFORMANCE LINE\nExcellent quality for intensive use. \nThese are the best value for money tires.