Restore your bike to optimal working condition with the Bell Standard Schrader Inner Tube. It s made of cured rubber that provides a consistent side wall of the tire. This bicycle inner tube helps prevent high-pressure blow outs. It fits tire widths from 1.75 to 2.25 and is 16 in length. This item requires two tire levers and a pump (not included) to install. The Schrader valve is a short sturdy valve used on car tires and is the most common valve type for bicycles.