Stan's NoTubes Original 250mL Bottle Tubeless Sealant

- First choice of riders around the world for tubeless conversion and flat prevention
- Seals punctures up to 1/4" (6.5mm) quickly
- Remains liquid inside tires for 2-7 months for long-lasting protection
- Premium low-viscosity formula resists freezing to work in environments as cold as -28° C
- Natural materials, safe for the environment
- Can be injected through valve stems with removable cores compatible with tubes and tubular tires