Our Airlock Sealant is the in-tube solution for flat prevention, surpassing the competition in flat protection performance. Its featured here in a five-gallon container thats ideal for in-home or shop use.

Coats the tube for permanent protection.

Completely homogenous, so it doesn't puddle.

Non-toxic, non-separating formula doesn't have a limited shelf life like the competition.

Works continuously to prevent slow leaks.

Works with any bicycle tube with a removable valve core.