Flat Attack 20in Self-Sealing Schrader Tube

The Flat Attack 20in Self-Sealing Schrader Tube is pre-injected with Flat Attack sealant to help protect against flats during everyday riding. Flat Attack Freedom Tubes are designed for independent bike dealers and include Flat Attack’s 5-year guarantee.

This group includes 20 inch tire sizes for BMX, youth, utility, and general replacement use. Both variants use smooth 36mm Schrader valves with removable cores and fit ISO 406 wheels.