Bontrager Self-Sealing Presta Valve Bicycle 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.

Product details
- 0.9mm wall thickness
- 48mm valve length
- 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