Schwalbe AV3 Tube 16 Inch
The Schwalbe AV3 Tube is matched to the Schwalbe Big Apple 16 inch tires. The standard 16 Strida tube will work in the Schwalbe Big Apple tires but the Schwalbe AV3 tube is matched for the correct size. The Schwalbe AV3 is a high quality tube. For more information here is a link to the Schwalbe’s Website.