Schwalbe Inner Tube 26" AV11 20/25-559/571
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The Schwalbe AV11 butyl inner tube is designed for 26″ MTB and hybrid wheels with narrow tire widths ranging from 20 mm to 25 mm (ETRTO 559–571). Built with high-purity, multi-filtered butyl rubber, it boasts excellent air retention and durability, making it an ideal choice for city bikes, commuters, and light trail use.
FEATURES
Schrader Valve (AV) – 40 mm – Compatible with standard pumps; easy to inflate
Premium Butyl Construction – High-purity, uniform butyl material resists leaks and maintains pressure
Precision Molded – Ensures consistent wall thickness and reliable performance
Tire Width Compatibility – Fits narrow tires 20–25 mm ideal for road-hybrid hybrids
Factory Pressure-Tested – Pre-inflated and tested for air retention before boxing
SPECIFICATIONS
ETRTO Size: 20–571 / 25–559 (26″ tires 20–25 mm width)
Valve Type & Length: Schrader (AV), 40 mm
Material: High-grade butyl rubber
Weight: Approx. 200 g
Pressure Range: 60–120 psi (4.1–8.3 bar)
Intended Use: Hybrid, commuter, fitness, and light trail bikes
Valve Core: Fixed, non-removable core
