Schwinn 27- X 1 1/4-Inch Self-Sealing Tube
Schwinn Self-Sealing Tubes are designed to reduce the incidence of flat tires caused by direct tube punctures. The Self-Sealing Tube uses rotational pressure and liquid sealant to heal small tube punctures as you ride. These tubes fit 27 by 1 1/4-inch tires and are each equipped with a Schrader valve.