BBB Inner Tube 24″ x 1.9″-2.125″ Presta Valve

##BBB Inner Tube 24″ x 1.9″-2.125″ Presta Valve BBB inner tubes are made of durable long-lasting butyl rubber compound. Seamless to prevent the inner tubes from leaking air and keep air pressure for a long time. Air chamber wall-thickness of 0.87mm. Thick enough for extra puncture resistance and thin enough to spare you the extra weight.