ITEM NAME:20" inch Inner Bike Tube 20 x 1.75 - 2.125 Bicycle Tyre Interior Rubber BMX New.20" Inner Bike Tube 20 x 1.75-2.125 Bicycle Rubber Tire Tyre Interior BMX Black. This sort of inner tube is suitable for tube specification of 20 x 1.75 - 2.125. It is a good bicycle inner tube to keep your tube inflated.
