2 Pack 20 Inch Bike Inner Tube, JahyShow 20x1.75/20x1.95/20x2.125 Inch Bicycle Replacement InnerInner Tubes 32mm Valve Rubber Replacement Bike Interior Tire Valve Road MTB Bike TubeFeatures Two New 20" x 1.75 to 2.125 Schrader Valve Bicycle Tubes. Bulk packaged, no retail packaging is included. Standard 0.85mm thick butyl tube. Fits 20" BMX bike wh..