Description:Perfect replacement for the broken tube tire of your bike.Smooth slick pattern tyres for optimal balance of grip and rolling resistance.These inner tube suitable for Most of Bicycles Wheels Common Bicycle, Like Mountain Wheels, Road wheels, Folding wheel groups and so on.Specification:Color: BlackInner Tube Material: RubberFits Tire Sizes: 14" x 2.125"Valve Length: 34mm / 1.34"Valve Width: 6..3mm / 0.25"Package Included:1 x Bike Inner Tube.