Photo 1 of 2 Pcs 20" Self Sealing Bike Tubes 20x1.75/2.125 AV Valve Super Automatic Repair, Self-Sealing, Puncture Resistant Compatible with 20x1.75-2.125 Inch Bike Tire Tubes

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Photo 1 of 2 Pcs 20" Self Sealing Bike Tubes 20x1.75/2.125 AV Valve Super Automatic Repair, Self-Sealing, Puncture Resistant Compatible with 20x1.75-2.125 Inch Bike Tire Tubes