【OUR BIKE INNER TUBE】 14x2.125 inch fits most fat tire bikes with 14x2.125 Electric Scooter Inner Tube and and Children's Bicycles、E-Bike Inner Tube
【HIGH-QUALIITY BUTYI RUBBER】Made of Butyl Rubber--High air-tightness, the air will not leak, the tube don't need pump in 180 days after your first pump. which has the advantages of shock absorption, high and low temperature resistance, and can still maintain good toughness and driving stability in harsh environments
【High Air Tightness】Bicycle inner tubes are made of a high-quality butyl rubber compound that is 8 times more air tight than natural rubber. The seal is made of a Schrader valve stem with a valve core cap. The black slider valve core cap will create a unique airtight environment and prevent the inner tube from leaking
【PACKAGE INCLUDES:】Open the package, you will get two 14x2.125 bike tube for electric bike, two tire pry bars. Simple parts matching makes Bike Inner Tubes easy to install, you can change them by yourself anytime, anywhere and get your bike back to normal quickly
【PLEASE NOTEP】Check your tire to get the right size, the number on the tire should be the size as the tube.