Flat Out Tire Sealant is a heavy-duty, non-latex, non-corrosive tire sealant designed to stop flats before they happen.

Flat Out Tire Sealant delivers superior puncture protection by sealing holes up to ½ inch—significantly exceeding standard bike sealants. This advanced formula works continuously inside your tire, instantly plugging punctures as they occur while preventing slow leaks and maintaining consistent pressure. The internal protective layer reduces blowout risk and extends tire life, giving you reliable performance on any terrain. Experience the confidence of riding with professional-grade flat protection.