Bontrager Self-Sealing Tube 700x 35-44C Presta 48mm

Protect yourself from flats with these specially-designed Self-Sealing tubes that instantly seal small hole punctures. Premium-quality butyl rubber tubes feature a 0.9mm wall thickness for the perfect balance of weight savings and durability.Details : 0.9mm wall thickness Specifically engineered formula instantly seals small holes from puncture flats 100% inspected for guaranteed quality