Helonge 2 Pack 20 inch Bicycle Tube, 20x1.75-2.125 Tire Tube, 32 mm Schrader Valves, Compatible with 20 x1.9/1.95/2.0/2.1 Bike Tire, Heavy Duty Cycle Tyre Inner Tube for MTB, Road, BMX Bike

Helonge 2 Pack 20 inch Bicycle Tube, 20x1.75-2.125 Tire Tube, 32 mm Schrader Valves, Compatible with 20 x1.9/1.95/2.0/2.1 Bike Tire, Heavy Duty Cycle Tyre Inner Tube for MTB, Road, BMX Bike

• Compatible with tires with an outer diameter of 20 inches and tire width between 1.75 inches and 2.25 inches.With 32mm Standard/Schrader/American Valve. Compatible with 20 x 1.75/20 x 1.90/20 x 1.95/20 x 2.00/20 x 2.1/20 x 2.125/20 x 2.25 or 47-406,50-406,54-406,55-406,57-406
• Our cycling tubes are round cured to ensure uniform roundness and better reliability. Seamless construction to ensure uniform roundness. Prevents high-pressure blow-outs.
• Dependable self-sealing bicycle tube. This Heavy-duty tube is heavier than others with nice thorn resistance. So leave your worries behind.
• Thicker compared with the common tubes, which have outstanding performance in puncture resistance and endurance.
• Made of high butyl rubber for better airtightness, heat resistance, and durability.Uses a highly airtight nozzle to prevent dust from entering and enhance durability.