Stan's No Tubes, Pre-mixed Sealant, 2oz

Pre-measured and ready to apply to one bicycle tire.

First choice of riders around the world for tubeless conversion and flat prevention

Seals punctures up to 1/4" (6.5mm) quickly

Stays liquid 2-7 months for long-lasting protection

Premium low-viscosity formula resists freezing to work in environments as cold as -30° F (-34° C)

Natural materials, safe for the environment

Can be injected through valve stems with removable cores compatible with tubes and tubular tires