16x2.125 Kids Bike Tires Replacement - This 16 Inch kids bike tire is the perfect replacement part for Coewske, Royalbaby, Schwinn, Joystar, Dynacraft, 16-inch kids/BMX/MTB bikes, providing you with a comfortable, stable ride! Travel-Ready Design - The folding capacity of this foldable 16x2.125 bicycle tire can withstand more than 500 compression cycles without damaging the bead. Please unfold and leave the tire for a while before mounting, immediate mounting may cause the tube to slip out. Strong Shock-Absorbent - Each premium material 16X2.125 bike tube has 45% more rubber content, 4.8x stretch rate, and thicker sidewalls that make it puncture-proof. The soft 16" bike tube absorb shock well for a more comfortable ride. Anti-skid Tires with Large Raised Particles - Each 16X2.125 bicycle tire has raised particles on the surface to increase friction with the ground, so it won't slip easily when riding or cornering on muddy dry/wet road. 30% thicker tire sidewalls; puncture and abrasion resistant. Wide range of practical accessories - These two tire levers have high toughness and sufficient elasticity enough to allow you to quickly maintain your tires; Beautiful aluminum alloy inflatable valve cover prevents dirt and dust from entering the tube If you have any questions about product quality within a year, you can contact us; You need to provide relevant pictures and information so that we can respond quickly and save you valuable time