Description
Bicycle Inner Tube 20x2.125 AV (Schrader Valve) for Desna, Salyut, Aist Bicycles
Durable rubber bicycle inner tube, size 20x2.125 (ETRTO 57-406) with a Schrader valve (AV), designed for installation in inflatable wheels of folding, city, and youth bicycles with a 20-inch rim diameter. Equipped with a straight metal Schrader valve, allowing for easy inflation with any standard bicycle or car pump and compressor.
Key Advantages and Features:
- Schrader Valve (AV): The most popular and practical valve type. The wheel can be inflated at any gas station or tire shop without adapters.
- High Elasticity and Pressure Retention: The high-quality rubber compound is resistant to punctures and micro-cracks, maintaining stable pressure for a long time.
- Universal Width Fit: Covers the popular tire width range from 1.95 to 2.125 inches.
Compatibility and Application:
- Classic and Modern Bicycles: Aist, Desna, Salyut, Orlyonok, Lastochka, Kama (with 406 mm rims), as well as modern folding and city models (Stels, Ardis, Formula, Discovery, Pride).
- BMX and Youth Bicycles: Suitable for stunt and youth BMX bikes with 20-inch wheels.
- Compatible Tire Sizes: 20x1.95, 20x2.00, 20x2.10, 20x2.125 (50-406, 54-406, 57-406).
Technical Specifications:
| Parameter | Value / Specification |
|---|---|
| Part Type | Bicycle inner tube |
| Marking (inches) | 20 x 2.125 (fits 20x1.95ā2.125) |
| Rim Diameter | 20 inches (ETRTO 406 mm) |
| Valve Type | Schrader (AV), straight |
| Valve Length | 35 mm (standard) |
| Material | Elastic butyl rubber |
Package Includes:
- Bicycle inner tube 20x2.125 AV ā 1 pc.
- Valve dust cap ā 1 pc.
Installation Tip: Before disassembly and installing the new tube, carefully check the inside of the tire with your finger for any remaining wire, glass, or sharp thorns. When mounting the wheel, ensure the tire lever does not pinch or puncture the tube wall.
