Flat Attack

Tube Sealant - 5 Gallon

Flat Attack Tube Sealant - 5 Gallon brings serious puncture protection to riders who demand reliability across countless miles. Known as the original green sealant, this formula is a favorite among cyclists looking for an environmentally safe, non-toxic solution that keeps flats from ruining the ride.

Designed to seal punctures up to 1/8", Flat Attack Sealant works continuously inside the tube, automatically sealing small holes before air escapes. It’s ideal for shop use, fleet maintenance, or anyone who wants a long-lasting supply of proven flat prevention.

• Environmentally safe and non-toxic – keeps both your bike and the planet rolling clean.
• Seals punctures up to 1/8" – ride farther without worrying about small thorns or debris.
• Long-lasting formula – remains effective for the life of the tube.
• Bulk 5-gallon size – perfect for high-volume riders, shops, or fleet maintenance.

Keep the ride smooth, save time on roadside repairs, and stay confident knowing your tires are protected with Flat Attack Tube Sealant.