The Co-Op Cycles Schrader Bike Inner Tube is a high-quality replacement part for bicycles with a 20-inch wheel size. Made of durable rubber, this inner tube features a Schrader valve type for easy inflation. The set includes a stem and is designed to fit tires with a size range of 1.75-2.125. With a sleek black color and a brand known for reliability, this inner tube is perfect for cyclists looking for a reliable and long-lasting component for their bike.