1、More Durable: Made of high quality butyl rubber material, the bicycle inner tube has the advantages of better sealing performance, ozone resistance, anti aging, shock absorption and electrical insulation, and is durable.2、Safe Bike Tubes: The butyl rubber inner tube can absorb the impact of bumpy roads, making riding comfortable and safe. It is heat resistant and can withstand the abrasion of daily use.3、Easy to Install: The tire levers can let you easily get your tube out from the tire when changing the tube, very convenient for installation.4、Application: This bike tire tube with presta valve fits 700c tires with 23mm / 0.9in width.5、Perfect Accessories: The durable butyl rubber bike inner tube is great replacement for broken bicycle inner tubes, suitable for most bicycles, such as mountain bikes, road bikes, etc.