2 PCS 20 Inch Heavy Duty 20x1.50/1.90 Bike Tubes AV32MM Schrader Valve 38/48-406 Inner Tubes Compatible with 20 x 1.50 20x1.75 20 x 1.90 Bike Bicycle Tire Tubes

Additional Details from the Manufacturer

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• Heavy Duty Bike Tubes Size:Used For most 20" x1.50"-1.90"(ETRTO:38/48-406) Road/mountain tire. Compatible Size:20 x 1.50 20x1.75 20 x 1.90 AV32mm Schrader valve.
• Better Performance：Butyl Rubber Better Shock Absorption Butyl adds more stretch, shock, impact and puncture resistance for a smoother ride. They provide better shock and vibration absorption properties for a smoother ride.
• Good Air Tightness：High butyl rubber content adds better air retention to prevent air leakage. Designed to maintain optimal air pressure, these inner tubes deliver a stable and comfortable cycling experience, reducing the risk of flats and improving overall performance.
• Designed For Versatility:These heavy-duty bike inner tubes are perfect for multiple riding scenarios, from city commutes to rugged off-road trails, ensuring reliable performance wherever you go.
• Package Contents:2 pcs 20x1.50/1.90 AV32mm Schrader Valve heavy duty bike tubes,2 pcs Tire Levers
• Easy To Use: Easy and quick to install, you can search the corresponding tutorials online to install. When you inflate your tires, follow the inflation guide and replace your old tire inner tube in minutes to save time and be efficient.
• Solid And Durable Accessories:Enhance your cycling experience with this vibrant red bike tire lever, designed for effortless tire changes and durability on the go.
• Customer Support:We stand by the quality of our product—should you encounter any issues, our customer support team is always available to assist you.
• Whether you're upgrading or replacing parts, ensure a perfect match for your bike. Check the detailed compatibility list to confirm your model is included. Ideal for cyclists seeking reliable and precise fittings for their ride.