A Schwalbe inner tube is a reliable choice for your bike. With its high reliability and longer atmospheric pressure toughness, this inner tube is ideal for different tire sizes. The inner tube material is of high quality, with a high butyl content and cleanliness. What's more, the inner tube is 100% recyclable. Color: black Material: rubber Weight: 269 grams Valve type: Auto Valiel (AV) Valve length: 40 mm FOR SIZES: 26 x 2.10 26 x 2.25 26 x 2.35 26 x 2.40 26 x 2.60 26 x 2.75 26 x 3.00 Etro size: 54-559 57-559 60-559 62-559 65-559 70-559 75-559 The inner tube from Schwalbe is an inner group, which means it is extremely elastic and adapts to several tread sizes. This makes it versatile and practical to use. The inner tube is also suitable for downhill use, thanks to its extreme robustness and reinforced valve.