YunSCM 2PCS 45/57-507 Thickened 24 Inch Inner Tube 24x1.75 24x1.95 24x2.0 24x2.10 24x2.125 24x2.25 AV32mm Valve Compatible with 24 Inch Bike Tube/Mountain Bike/E-Bike 24x1.75/1.95/2.125/2.25

"Compatible sizes: 24X1.75/1.95/2.125 inch AV (47/57-507) thickened replacement tubes for bicycles - these tubes are an ideal choice for a wide range of applications, providing improved elasticity for heavy tires, expanding the range of use, and are compatible with 24x1.75 24x1.90 24x1.95 24x2.0 24x2.10 24x2.125 47-507 50-507 54-507 bike tires" "High-quality & durable tube: The bicycle tubes are made of high-quality butyl rubber, offering higher puncture resistance than conventional tubes. The thicker tube can withstand more friction and wear, extending the tube's lifespan, reducing replacement frequency and maintenance costs. They are also designed for long-term use" "Stronger airtightness: By using highly elastic and high-quality butyl rubber and EPDM rubber, the thickness is increased by 40% and the airtightness by 200% compared to a conventional butyl tube; the tire can maintain stable air pressure after inflation, significantly reducing the need for inflation, effectively maintaining tire air pressure stability and improving safety and efficiency while riding" "Excellent damping properties: The heavy, strong, and highly durable butyl rubber of these tubes acts as the perfect shock absorber, reducing vibrations and eliminating shocks caused by road or sidewalk irregularities and rough surfaces. High-resilient butyl rubber ensures maximum riding comfort and enhances your riding experience" "Bike compatible: This sturdy tube is compatible with corresponding models of mountain bikes, road bikes, cruisers, and e-bikes; at the same time, the increased thickness meets the demand for greater range and capacity of popular e-bikes" "Packaging and installation: 2PCS Heavy Duty Bicycle Inner Tubes 24X1.75/2.125 inch AV32mm Schrader Valves, easy to install and remove. Check the valve position to ensure proper installation direction" "Tip: Before installing the tube, place it in water to check for bubbles. Check the valve position to ensure proper installation direction. Note: The inflatable tube should not be pierced by sharp objects"