HIGH-QUALITY 16" X 1.75" - 2.125" KIDS BIKE REPLACEMENT INNER TUBES - Thick, heavy-duty, and dependable, these inner tires are perfect for numerous applications including inner tubes for 4-8 years old kids' bikes and inner tubes for strollers. With an expandable width that can accommodate 1.75-inch, 1.90-inch, 1.95-inch, 2-inch, and 2.125-inch tires, these inner tubes can withstand a lot, from rough riding to the changing seasons. HIGHLY COMPATIBLE INNER TUBE REPLACEMENT FOR PRESCHOOLERS AND SCHOOL-AGE KIDS BIKES, BABY STROLLERS, AND MORE - Highly compatible brands/models include JOYSTAR Fairy Kids Bike, JOYSTAR NEO Kids Bike, COEWSKE Kid's Bike (Little Princess Style), COEWSKE BMX Cycling Kids Bike, Dynacraft Hot Wheels Boys BMX Street/Dirt Bike, Royalbaby Jenny Girls Kids Bike, Royalbaby Bulldozer Kids Bike HIGHLY COMPATIBLE - Flashfire Girls' EZ Build Bike, Marvel Avengers Boys' EZ Build Bike, Titan Racing Junior Range Calypso 16-Inch Girls Bike, and Titan Racing Junior Range Hades 16-Inch Boys Bike. These inner tubes are also suitable for Thule Urban Glide 2 Stroller (rear tires), BOB Gear Revolution Flex 3.0 Jogging Stroller (rear tires), BOB Gear Alterrain and Alterrain Pro Jogging Stroller (rear tires), and Mountain Buggy Terrain Stroller (rear tires). EXTRA-THICK BUTYL RUBBER FOR MAXIMUM RIDING COMFORT - Upgrade your riding experience (whether you are a kid or an adult!) with high-quality inner tubes that have superior shock, impact, and vibration dampening capabilities. The thick, strong, and high-durable butyl rubber make of these inner tubes is the perfect damping material to reduce vibrations and dissipate shock caused by bumps and rough patches on the road or pavement. QUICK AND EASY INSTALLATION WITH FREE TIRE LEVERS - This value-pack includes 2 free tire levers for quick removal and installation of inner tubes - in a matter of minutes! It's almost impossible to remove many tires without a tire lever. Always keep at least one of these tire levers at hand in case you'll get a flat down the road. 16-Inch Inner Tubes for Kids Bikes and Trikes Don't let a perfectly working road bike or BMX bike go to waste. We offer replacement inner tubes for almost all sizes and types of bikes so can rest easy knowing that you'll have a dependable source for high-quality and durable replacement inner tubes. Give your preschooler and school-age kids a good start in bicycle riding with 16-inch bikes that are made more comfortable and efficient by our 16-inch x 1.75 - 2.125-inch inner tubes. Whether they're out riding in your yard or out on the sidewalk, our inner tubes will be your dependable aid. Superior-Quality Inner Tubes Pneumatic tires are only as good as their inner tubes. The CalPalmy 16" x 1.75/1.95/2.125" Kids Bike Replacement Inner Tubes offer clear advantages on quality and performance. Thicker, stronger, and more durable than average inner tubes, these inner tubes offer superior shock and vibration dampening, tear-resistance, wear-resistance, aging-resistance. Ride comfortably, as these inner tubes allow you to feel like gliding over rough and bumpy spots. And for kids experiencing their first foray into riding bikes, the comfort and safety of these inner tubes will contribute to the wonderful memories they'll have of this time.