12-Inch Bike Inner Tube – Fits 12x1.75 to 12x2.125 Tires – Schrader Valve

Compatible Tire Sizes

These 12-inch bike inner tubes are designed to fit tires ranging from 1.75 to 2.125 inches in width.

If the tire size printed on your sidewall appears in the list below, you can confidently choose these inner tubes.

• 12x1.75 (47-203)
• 12x1.75 (44-203)
• 12x1.85 (47-203)
• 12x1.90 (47-203)
• 12x1.95 (54-203)
• 12x2.00 (50-203)
• 12x2.10 (54-203)
• 12x2.125 (57-203)

Don’t see your tire size listed above? In that case, these inner tubes will not be compatible with your setup. Check out our other 12-inch inner tubes instead.

Usage

This 2-pack of 12-inch inner tubes is ideal for everyday kids’ bikes and early learning ride-ons. They fit a wide range of 12-inch wheeled equipment, including kids’ bicycles, balance bikes, tricycles, convertible bikes, and other family-use gear. Compatible with standard clincher tires as well as certain tubeless-ready models that allow inner tube installation.

Materials & Performance

Made from premium butyl rubber, these 12-inch inner tubes provide:

• Excellent air retention for long-lasting pressure
• Enhanced puncture and pinch resistance for everyday use
• Smooth, comfortable ride quality on pavement, paths, and playground surfaces
• Quick and easy installation

When you’re outfitting a balance bike or a child’s first real bike, reliability matters most. These 12-inch inner tubes are built to handle curbs, short paths, neighborhood rides, and daily adventures while maintaining solid air pressure over time. Exactly what small wheels need to keep rolling smoothly.