Crucial to maintaining proper tire pressure, the Heavy Duty 26 Inch Inner Tube will revolutionize how you ride your bike. Located within your bike’s tire, the Heavy Duty 26 Inch Inner Tube is made of thick butyl rubber. This high-quality construction allows for a more durable inner tube that is less likely to rip or become damaged through standard use. So ditch your standard inner tube and pick up the Heavy Duty 26 Inch Inner Tube for the quality you want and durability you deserve.