Schwalbe 500/20 X 1 3/8 Schrader Inner Tube. Conquer urban commutes with the SCHWALBE 20-inch No. 7A Schrader inner tube. Engineered for unparalleled reliability and extended air retention, this tube minimizes flat tire frustrations, keeping you rolling smoothly and confidently. Its robust construction, rigorously factory-tested for airtightness, combines durability with a lightweight 105g design for a responsive ride. Featuring a convenient 40mm Schrader valve for easy inflation with standard pumps, it´s the ultimate upgrade for your 20-inch wheeled city bike, folding bike, or any urban ride demanding performance and peace of mind. SCHWALBE No. 7A 20-inch Schrader Inner Tube - Unmatched Reliability for Urban CyclingExperience unparalleled peace of mind on your daily commute or city adventures with the SCHWALBE 20-inch Inner Tube No. 7A. As a leading choice for cyclists who demand the very best, this inner tube is engineered for exceptional reliability and long-lasting performance. Specifically designed for urban cycling, folding bikes, and other bicycles with 20-inch wheels, it offers a premium solution to one of cycling´s most common frustrations: flat tyres. Ride with confidence knowing that Schwalbe´s legendary quality is keeping you rolling smoothly and safely.Key Benefits That Elevate Your RideEnjoy the freedom of spending less time on maintenance and more time enjoying your journey. The cornerstone of this Schwalbe inner tube is its outstanding air retention. Thanks to an advanced rubber blend and meticulous manufacturing, it holds air pressure significantly longer than conventional tubes, ensuring your tyres are always at the optimal pressure for efficiency and comfort. This superior durability translates directly to fewer punctures and a more consistent riding experience, making it the perfect companion for navigating the demanding conditions of city streets, from rough asphalt to unpredictable debris. The user-friendly Schrader valve makes inflation a breeze, allowing you to use standard pumps or air compressors at gas stations for ultimate convenience.Main Features Engineered for ExcellenceSchwalbe sets the industry standard for quality control. Every single Schwalbe inner tube, including the No. 7A, is inflated and pressure-tested at the factory for a full 24 hours to guarantee it is 100% airtight before being packaged. This rigorous individual testing process ensures a level of reliability that is simply unmatched. The tube is fitted with a high-quality, robust 40mm Schrader (Auto Valve), known for its durability and ease of use. Despite its tough construction, the tube is engineered to be lightweight, tipping the scales at just 105 grams, which helps to reduce rotational mass and contribute to a more responsive and agile feel for your bike. It´s the perfect synergy of robust protection and lightweight performance for the discerning urban cyclist.This Schwalbe inner tube is the definitive upgrade for riders seeking performance, reliability, and convenience for their 20-inch wheels.Brand:SCHWALBE.Specifications:- Model: SCHWALBE tube ´´No.7´´ / SCHWALBE TUBE 7A- Valve Type: Schrader (Auto Valve - AV)- Valve Length: 40mm (AV40 designation)- Wheel Size: 20- Compatible ETRTO Tyre Sizes: 37-438, 28-440, 37-440, 28-451, 37-451- Compatible Inch Tyre Sizes: 20x1 3/8, 20x1 1/8- Schwalbe Part Code: 28/37-438/481 AV40- Weight: 105gVN. tradeinn Bikeinn