The new Schwalbe Aerothan tubes made from high-tech material Thermoplast, combined with the proven Presta valve head. The tubes offer an extremely low rolling resistance at tubeless level and impress with high puncture safety. On average, 92% recycled content – depending on the tube size, up to 97%. With a robust aluminum shaft for greater stability while delivering optimal performance. All Aerothan tubes are approved for use with rim brakes.