Durable self-sealing tubes to prevent punctures. Durable self-sealing tubes to prevent punctures. Self-sealing to keep you rolling Self-sealing to keep you rolling Protect yourself from flat tyres with these specially designed self-sealing tubes that instantly seal small hole punctures. Premium-quality butyl rubber tubes feature a 0.9 mm wall thickness for the perfect balance of weight savings and durability. 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. - 0.9mm wall thickness 0.9mm wall thickness - The specifically engineered formula instantly seals small holes from puncture flats Specifically engineered formula instantly seals small holes from puncture flats - 100% inspected for guaranteed q...