Package Includes: 2 pcs 28/29X2.125/2.40 AV48mm Schrader Valve bike tubes.
High quality materials: Bicycle inner tubes are made of high quality butyl rubber. It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation and so on.
Easy To Install: Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Hassle free to replace your old tire tubes within minutes which is time saving and efficient
Safe Bike Tires: The butyl rubber tire tube replacement absorbs shocks on bump road for a comfort and safe ride. It is heat resistant and stands wear and tear for daily use
Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects.
