Heavy Duty Perfect Fit：Designed for 14"x1.75-2.125 tires, compatible with 14x1.75, 14x1.95, 14x2.0, 14x2.10, and 14x2.125 sizes. Standard 32mm Schrader valve (AV) fits most kids bikes, BMX, mountain and road bikes. (Please check tire sidewall before purchase.)
Easy Installation Kit：Each set includes 2 heavy duty tire levers for quick tube replacement and fluorescent valve caps for night-time visibility and style. Makes installation safer, faster, and hassle-free even for beginners.
Premium Heavy Duty Butyl Rubber with Shock Absorption：Made with extra-thick, durable butyl rubber that provides superior air tightness, puncture resistance, and long-lasting durability, while effectively absorbing bumps and vibrations for a smoother, safer, and more comfortable ride.
Versatile Heavy Duty Use：Perfect for BMX, kids bikes, road bikes, mountain bikes, and city cruisers. Strong and durable construction absorbs shocks and vibrations, ensuring a smoother and safer ride.
Tips: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects.
