Universal Compatibility & Versatility: These 10x2.125 inner tubes fit a wide range of products, including scooters, children's bikes, tricycles, and strollers. They are compatible with tire sizes 10x1.90, 10x1.95, 10x2.0, 10x2.125, 10x2.25, and 54-152. Ideal for use in Huffy Rock-It & Sea Star, Nanrobot D4+, D5+, D6+, Schwinn Roadster Tricycle, and Swagtron Swagcycle Envy. Heavy-Duty, Puncture-Resistant Construction: Crafted from premium butyl rubber with a 2.0mm thickness, these 10x2.125 inner tubes provide military-grade durability, exceptional puncture resistance, and superior shock absorption. Perfect for smooth rides on rough terrains, ensuring reliable performance for kids and adults alike. Thorn-Resistant for Added Safety: Designed to resist thorns, blowouts, and punctures, these inner tubes offer peace of mind for everyday rides. Whether on a bumpy sidewalk or an off-road path, these 10x2.125 inner tubes keep you safe and ready for the next adventure. Quick & Easy Installation: Enjoy simple and fast installation with these 10x2.125 inner tubes. Just make sure the angled valve is positioned in the wished direction for optimal performance. Backed by Steerling Tire Co., these tubes meet or exceed OEM standards, ensuring high-performance and dependable comfort for every ride. Need help? Contact us anytime! Built for Everyday Convenience: Keep your tires firm and functional with these easy-to-install replacement inner tubes. Maintain proper air pressure to improve tire performance and reliability, making these tubes an affordable way to enhance your ride. Always keep an extra set for unexpected flats! Trusted Quality by Steerling Tire Co.: Manufactured by Steerling Tire Co., these 10x2.125 inner tubes are rigorously tested for dependable quality, delivering high-performance and comfort with every use. Our commitment to heavy-duty construction ensures your satisfaction with every ride.

Steerling Tire Co. Replacement Inner Tubes – Instantly Improve Soft, Flat Tires

Flat tires can derail your day—whether you're pushing a stroller, riding a scooter, or watching your child pedal their bike. Not only do they make movement harder, but they can also become a safety risk. And with costly replacements and complicated installations, fixing a flat can feel like more trouble than it’s worth.

Steerling Tire Co. 10x2.125 Replacement Inner Tubes offer a quick, affordable, and reliable solution. Designed to restore firmness and bounce to air-filled tires, they help keep your gear rolling smoothly—whether you’re fixing a flat or proactively upgrading worn-out tubes.

Compatible with a wide range of outdoor equipment, they're ideal for:

Children’s bikes – including Huffy Rock-It & Sea Star

Electric scooters – including Nanrobot D4+, D5+, D6+

Tricycles – including the Schwinn Roadster Tricycle (rear tires)

Strollers – including the BOB Gear Motion Stroller (rear tires)

Mobility scooters, dollies, wagons, snow blowers, and generators that use 10” air-filled tires.

These tubes fit tire sizes 10x1.90, 10x1.95, 10x2.0, 10x2.125, 10x2.25, and 54-152.

Engineered for performance, each tube is made from premium butyl rubber and features a military-grade 2.0mm wall thickness—over twice as thick as many standard tubes. This added durability provides exceptional thorn resistance, helping prevent punctures, blowouts, and unexpected downtime on rough terrain.

Installation is quick and easy. Just match the valve orientation to your wheel setup (the valve is angled for easier access), and inflate using any standard pump. Always follow the recommended PSI indicated on your tire’s sidewall for best results.

Each pack includes two heavy-duty 10" inner tubes, rigorously tested to meet or exceed OEM standards. Backed by the trusted quality of Steerling Tire Co., you can ride, roll, or stroll with confidence.

Why Choose Steerling Tire Co. Inner Tubes?

Instantly restore function to soft, flat tires

Universal fit for 10x1.90 to 10x2.25 and 54-152 tires

Compatible with top brands like Huffy, Nanrobot, B.O.B., Schwinn, and Swagtron

Made from premium 2.0mm butyl rubber – thick, durable, and built to last

Thorn-resistant construction for added safety and reliability

Easy installation with angled valve design

Includes 2 inner tubes per pack