The new Schwalbe Aerothan tubes made from high-tech material Thermoplast, combined with the innovative Clik Valve valve head. With the Clik Valve, inflating the bicycle valve is maximally simple – just by clicking. The tubes feature 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 more stability while maintaining optimal performance.