Schwalbe Green Marathon Tire - 700 x 28 Clincher Wire BLK/Reflective Performance Line GreenGuard TwinSkin AddixThe pioneer in puncture protection, mileage and environmental friendliness 3mm thick protective layer (Green Guard) The archetypal high quality touring tire E Bike Ready. The main sizes are approved and tested for E bikes up to 50 km h (E 50) Most environmentally friendly bicycle tire Produced entirely from fair trade rubber Consists of 70% recycled or renewable materials Contains "Carbon Black" (rCB) 98% pollutant free Modern and sporty Tread design