Feature:1. Rubber Material: Made of high quality butyl rubber material, for its strong durability, long service life, and more eco friendly.2. Powerful Features: Has the advantages of better sealing performance, ozone resistance, anti aging, shock absorption and electrical insulation.3. Comfortable Riding: Can absorb the impact of bumpy road surface, making riding more comfortable and safer, satisfying using experience.4. Long Service Life: Heat resistance and wear resistance, able to withstand the normal daily use.5. Simple and Quick Installation: Easy to replace the old or damaged tire tube within minutes which is time saving and efficient.Specification:Item Type: Bike Inner TubeMaterial: RubberColor: As ShownApplication: For MTB Road BikeAir Valve: French ValveWeight: Approx.205g/7.2oz.Package List:2 x Bike Inner Tube