Self-Sealing Presta Valve Tube

Self-sealing to keep you rolling 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.

FEATURES:

• 0.9mm wall thickness
• Specifically engineered formula instantly seals small holes from puncture flats
• 100% inspected for guaranteed quality
• 27-inch tire size equivalents: 
• 700c x 23 - 25 also fits 27 x 7/8 - 1
• 700c x 28 - 32 also fits 27 x 1-1/8 - 1-1/4
• 700c x 35 - 44 also fits 27 x 1-3/8 - 1-3/4