Photo 1 of Bakcou - 26x4 Heavy-Duty Fat Tire Tube - Military-Grade Butyl Rubber, Schrader Valve, 3.5mm Thickness - Compatible with Electric & Mountain Bikes

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Photo 1 of Bakcou - 26x4 Heavy-Duty Fat Tire Tube - Military-Grade Butyl Rubber, Schrader Valve, 3.5mm Thickness - Compatible with Electric & Mountain BikesPhoto 2 of Bakcou - 26x4 Heavy-Duty Fat Tire Tube - Military-Grade Butyl Rubber, Schrader Valve, 3.5mm Thickness - Compatible with Electric & Mountain Bikes