Roll smooth and tough with the Specialized 32mm Schrader Valve 24x2.4/3.0 Inch Youth Inner Tube - keep your little ones biking longer and happier Your little ones have a youthful, intrepid spirit that sees them riding wherever the wind takes them. Most of the time, however, it takes them straight through thorns and debris, leaving you with the unenviable task of changing out flat after flat. But with Specialized's Standard Schrader Valve Youth Tubes, you'll have the peace of mind that they're riding on tough tubes that are built strong to last. And to make sure of it, they feature a moulded method of construction that ensures a consistent thickness of butyl rubber— meaning that they'll roll smooth and stay tough, ride after ride.