Amazon.com : SE Bikes Speedster 29 Inch OEM BMX Durable Wire Bead Replacement Dirt Street Bike Tire Tube Rim Strip Lever Kit Bundle (Black Black, 29) : Sports & Outdoors
2 Heavy Duty Inner Tube 16 x 1.75 - 2.125 Bike Bicycle Rubber Tire Interior BMX | eBay
Amazon.com : Helonge 2 Pack 26 inch Bicycle Tube, 26x1.75-2.125 Tire Tube, 32 mm Schrader Valves, Compatible with 26 x1.8/1.85/1.9/1.95/2.0/2.1 Bike Tire, Heavy Duty Cycle Tyre Inner Tube for MTB, Road, BMX