Schwalbe benelux b.v. Schwalbe inner tube SV4 16 18 28 37-340 355 FV 40mm

Schwalbe standard inner tube no. 4 for 16" and 18" inch bicycle tires (ETRTO 28/37-340/355). Holds air for an above-average length of time. Thanks to the best material quality and uniform wall thickness. Maximum reliability that has been proven millions of times. Specifications ETRTO: 28/37-340/355 Weight: 85 g Wheel size: 16 18 Valve: SV Valve length: 40 mm Item: 4 Type: Butyl Tube design: Standard Schwalbe inner tube Standard 18x1 3/8 French - SV4/37-340, 28-349, 35-349, 37-349, 28-355, 35-355. The Schwalbe inner tubes are reliable. Bicycle retailers appreciate it for its high reliability. Each tire is inflated at the factory and tested for airtightness for 24 hours. The tire retains air pressure for longer. In production, Schwalbe requires a very high butyl content and very high material cleanliness. For example, the Schwalbe inner tube retains air pressure significantly longer than other inner tubes. It is a group inner tube system: A Schwalbe inner tube is extremely elastic and fits several tire sizes. This is why they are called groups of inner tubes. For example, the inner tube with number 19A fits tire sizes from 27.5 inches to 29 inches and widths from 40 to 62 mm. Finally, the tire is 100% fully recyclable. Standard version: High reliability, proven for many years. Schwalbe standard inner tube no. 4. For 16" and 18" inch bicycle tires (ETRTO 28/37-340/355). Holds air for an above-average length of time. Thanks to the best material quality and uniform wall thickness. Maximum reliability that has been proven millions of times. Schwalbe standard bicycle inner tube no. 4. For bicycle tires in size 16"/18" inches (ETRTO 37-340, 28→37-349, 28→35-355). Retains air for an above-average amount of time. Thanks to the best material quality and uniform wall thickness. Maximum reliability that has been proven millions of times.