[Product Information]

• Item Shape: 40mm Presta， Ensure's constant wall thickness and high air pressure retention
• All valves are nickel plated， threaded and valve inserts are replaceable
• Folding Bicycle Tire Tube
• Measures 40 mm long and is a 700x18/28c 40mm Presta Valve Extra Light Schwalbe Bicycle Tube
• Provides outstanding reliability