schwalbe buitenband rightrun 26 7 8 23 559 rubberzwart black n rollThis entry level tire features effective puncture protection and a 2Grip sidewall that's easy on the hands. The two tone rubber compound creates a visually appealing look. What truly sets this tire apart is the robust Black n Roll compound in the center of the tread. Effective puncture protection 2Grip sidewall Two tone rubber compound Robust Black n Roll compound in the center of the tread