2-Pcs 12/12.5 Heavy Duty Bike Tubes 12/12.5x1.75/2.25(12 1/2 X 2 1/4) AV 45/57-203 Inner Tubes Compatible with 12x1.75-2.25 12.5x1.75-2.25 12 ½ x 2 ¼ Kid Bike Bicycle Tire Tubes Schrader Valve

Product Description

Heavy Duty inner tube:12"/12.5"x1.75"/2.25" AV(45/57-203) Heavy duty bicycle replacement inner tube, these inner tubes are ideal for a wide range of applications. Enhanced the ductility of the heavy load tire, so that the scope of application is expanded, Compatible with 12x1.75, 12x1.90, 12x1.95, 12x2.0, 12x2.10, 12x2.125, 12x2.25, 12.5x1.75, 12.5x1.90, 12.5x1.95, 12.5x2.0, 12.5x2.10, 12.5x2.125, 12.5x2.25 12 1/2x2 1/4 tires. Excellent shock absorption ability ：The heavy, strong, highly durable butyl rubber made from these inner tubes is a perfect shock absorber to reduce vibration and eliminate the shock caused by bumps and rough surfaces on the road or pavement. Heavy Duty butyl rubber f…