Axle Diameter: *Hub Style: *Inflatable: Yes *Material: Rubber *Number in Package: 1 *Product Type: Bicycle Inner Tube *Rim Diameter: *Sub Brand: *Tread Type: *Weight Capacity: *Wheel Diameter: 20 *Brand Name: Bell Sports *Compatibility: *Construction: *Packaging Type: Boxed Fits Tire Width: 1.75 - 2.25 in.