Bike Inner Tubes with Schrader Valve Durable Butyl Rubber Inner Tubes for Road Bike

Feature: 1. It is made of butyl rubber material with greatly improved airtightness, temperature resistance, delay aging and longer service life. 2. With schrader air valve, it is no need to replace the valve core, which is convenient to use. 3. The butyl rubber tire inner tube can absorb the vibration of uneven roads to ensure the comfort and safety of driving. 4. Easy to install, you can easily replace the old inner tube of the tire in a short time, saving time and efficient. 5. It widly fit 12 / 14 / 16 / 18 inch wheel, width between 1.75?2.125inch tires, suitable for replace the inner tubes of road mountain bikes. Specification: Item Type: Bicycle Inner Tubes Material: Butyl Rubber Product Color: As Pictures Shown Product Weight: Approx