Value bundle includes a 2 pack of Schwalbe Green Marathon Tire - 27 x 1-1/4, Clincher, Wire, Black/Reflective, Performance Line, GreenGuard, TwinSkin,. 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 flexible, special India rubber. Partly from recycling. Particularly reliable protection. Environmentally friendly bicycle tire produced entirely from Fair Rubber. Consists of 70% recycled or renewable materials. 98% pollution-free manufacturing. Modern and sporty tread design with reflective sidewall.