(16 * 1.75/2.125 Inches)Bike Inner Tubes With Valve Durable Butyl BGS

Feature: \n 1. It is made of butyl rubber material with greatly improved airtightness, temperature resistance, delay aging and longer service life.\n2. With schrader air valve, it is no need to replace the valve core, which is convenient to use.\n3. The butyl rubber tire inner tube can absorb the vibration of uneven roads to ensure the comfort and safety of driving.\n4. Easy to install, you can easily replace the old inner tube of the tire in a short time, saving time and efficient.\n5. It widly fit 12 / 14 / 16 / 18 inch wheel, width between 1.75\u20112.125inch tires, suitable for replace the inner tubes of road mountain bikes. \n\nSpecification: \n\nItem Type: Bicycle Inner Tubes\nMaterial: Butyl Rubber\nProduct Color: As Pictures Shown \nProduct Weight: Approx. 145-180g / 5.1-6.3oz\nValve Type: Schrader Valve\nMaximum Air Pressure: 8 Bar\nStandard Pressure: 20\n\nPackage List: \n 1 x Bike Inner Tubes \n\nNote: \n 1. Check the tire to see if there are any bad factors in t: