Stans Original Tubeless Sealant

Stan’s Original Tubeless Sealant is designed for tubeless tire systems on various bikes and provides puncture protection for up to 7 months.

• The description claims the sealant can seal punctures up to 6.5mm (¼”).
• The description claims the sealant remains effective for 2–7 months, depending on conditions.
• The description claims the sealant resists freezing down to -20°F (-28°C).
• The description claims the sealant is made with natural materials and is safe for the environment.