Photo 1 of 2 Pack 20" Self Sealing Fat Tire Tubes 20 x 4.0 AV32mm Vavle Super Automatic Repair, Self-Sealing, Puncture Resistant Compatible with 20 x 4.0/4.5" Fat Tire Bike Tubes

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Photo 1 of 2 Pack 20" Self Sealing Fat Tire Tubes 20 x 4.0 AV32mm Vavle Super Automatic Repair, Self-Sealing, Puncture Resistant Compatible with 20 x 4.0/4.5" Fat Tire Bike Tubes