Schwalbe AV 7A Tube with Schraeder Valve.
Fits the following tire sizes:
37-438 20 x 1 3/828-440 500 x 28A37-440 500 x 35A28-451 20 x 1 1/837-451 20 x 1 3/8
Specifications are subject to change without notice. We are doing our best to provide accurate and up to date product information and product images on our site but we cannot guarantee their absolute accuracy. Please contact the Store if in doubt.