Schwalbe tire Smart Sam Plus Black Addix Performance Line SnakeSkin Double Defense GreenGuard, 26x2.25/57-559. What makes an almost all-rounder even better? This is especially the profile, which is modern and robust at the same time. The compact center groove ensures pleasant rolling behavior, the angular outer studs guarantee optimal off-road grip. This means that the Smart Sam Plus feels at home in any terrain, but also rolls pleasantly easily on the road. With the Double Defense technology (RaceGuard and SnakeSkin around the entire tire), it is perfectly prepared for use on the E-MTB. The Smart Sam Plus is suitable for E-bikes up to 50 km/h. For these fast E-bikes - S-pedelecs with approval, insurance, pedal assistance, above 25 km/h, this special approval of the tires is necessary. It is therefore recommended to use E-bike tires with the ECE-R75 approval valid in Europe for these E-bikes. First-class all-rounder with extra safe Double Defense puncture protection thanks to the 3mm GreenGuard layer and SnakeSkin side wall. ECE-R75 approval for absolute cycling fun on the E-MTB.