The Schwalbe Extra Light Tube 13-EL is a lightweight inner tube for 26-inch bicycle tires. Due to its lower weight, this inner tube offers a lighter riding feel and faster acceleration, while maintaining the same reliability as a standard Schwalbe inner tube. Ideal for riders who want to save weight without compromising on quality. Specifications: Brand: Schwalbe Model: Extra Light Tube 13-EL Inner tube type: Extra Light Material: Butyl Wheel size (inch): 26 ETRTO: 40/60-559 Valve type: AV (Auto) Valve length: 40 mm Weight: 130 g Schwalbe inner tube AV13EL Extra Light, suitable for 26 inch, in ETRTO size 40/60-559. Equipped with a 40mm long Auto/Schrader valve. Schwalbe inner tubes are 100% fully recyclable.