Schwalbe Inner Tube av7a 20 inch 20x1 3/8 28 37-438-451 av 40 mm

A Schwalbe inner tube holds air pressure significantly longer. The quality of the components and the purity of the rubber compound are distinctive for the quality of the inner tube.

• Article number: 10416310
• EAN: 4026495100243
• Brands: Schwalbe
• Model: AV7A
• Material: Butyl
• Valve length (mm): 40
• Valve type: Schrader (Auto)
• Compatible tire: 20"
• Net weight (g): 105
• Inner tube size (ETRTO)
• 37-438 / 37-451
• 37 - 438 / 37 - 451
• 37 - 438
• 37 - 451
• Inner tube size (French): 500x28A / 500x35A
• Inner tube size (Inch): 20x1.1/8 / 20x1.3/8
• Tire type: Inner tube
• Tire width: 37
• Inner or outer tube: Inner tube
• (ETRTO) Tire size
• 37 - 438
• 37 - 451
• Color: Black

Product specifications:

• Valve type: Auto / Schrader
• Valve length: 40 millimeter
• Weight: 105 grams
• Tire sizes:
• 37-438 - 20 x 1 3/8
• 28-440 - 500 x 28A
• 37-440 - 500 x 35A
• 28-451 - 20 x 1 1/8
• 37-451 - 20 x 1 3/8

Schwalbe inner tube Narrow 20 Inch Auto - AV7A/37-438, 28-440, 37-440, 28-541, 37-451. Schwalbe inner tubes are reliable. Bicycle retailers appreciate them for their high reliability. Every tube is inflated at the factory and tested for airtightness for 24 hours. The tube holds air pressure longer. In production, Schwalbe requires a very high butyl content and very high purity of the material. This ensures the Schwalbe inner tube holds air pressure significantly longer than other inner tubes. It is a group inner tube system: A Schwalbe inner tube is extremely elastic and fits multiple tire sizes. This is why they are called group inner tubes. For example, the inner tube with number 19A fits tire sizes from 27.5 inch to 29 Inch and for widths from 40 to 62mm. Lastly, the tube is 100% fully recyclable. Standard version: High reliability, proven for many years.