Schwalbe Green Marathon Tire - 16 x 1.35 Clincher Wire BLK/Reflective Performance Line GreenGuard TwinSkin AddixSchwalbe Green Marathon Tire 16 x 1. 35 Clincher Wire Black Reflective Performance Line GreenGuard TwinSkin Addix. A pioneer in puncture protection mileage and environmental friendliness the Green Marathon tires incorporate light reflecting sidewalls for better visibility and very good puncture protection thanks to GreenGuard. These tires are a great option for e bikes and the like. GreenGuard puncture protection layer under the tread is made of 3mm