2PCS KENDA Bicycle Inner Tube 12/14/16/18/20/24 Inch Schrader Presta Butyl Rubber MTB Road Bike Tube Inner Tyre Bicycle Parts

2PCS KENDA Bicycle Inner Tube 12/14/16/18/20/24 Inch Schrader Presta Butyl Rubber MTB Road Bike Tube Inner Tyre Bicycle PartsBrand: KENDAMaterial: High quality butyl rubberModel number: 12/14/16/18/20/24 inchAir mouth: American valve, French valveValve valve length: 32L 35L 48LFetal wall thickness: 0.87 mmProduct configuration: one instruction sheet, color box packagingPacking: 2 pcs * bike inner tubeWarm Tips: L in the option means the length of the inner tube air nozzle.【Precautions for using inner tubes】Before installation, clean the inner side of the outer tire to avoid any residual sand or sharp objects piercing the inner tire.Uneven inflation of a new inner tube is a normal phenomenon, as the rubber of the inner tube varies in thickness and the air nozzle becomes thicker. When subjected to the same pressure, the size of the expansion also varies. After loading, it can be used normally under the wrapping of the outer tube, which is not a quality issue.【Installation Tutorial】1. Disassemble the tire, pry open the outer tire, and carefully inspect it2. Replace the inner tube, align the air nozzle with the wheel hub hole3. Insert the inner tube into the outer tube and install the outer tube4. Fully charged, installation completed