The Stan's NoTubes Tire Sealant is a puncture sealant for bike tires. This sealant is ready for all-around use for tubeless tires. Whether road, gravel, or mountain bike, it seals up punctures for a continuous, uninterrupted ride.
First choice of riders around the world for tubeless conversion and flat prevention
Seals punctures up to 1/4" (6.5mm)
Stays liquid 2-7 months for long-lasting protection
Premium low-viscosity formula resists freezing to work in temps as cold as -30F / -34C
Natural materials, safe for the environment
Can be injected through valve stems with removable valve cores
