12-Inch Inner Tube – For 12x1.75 to 12x2.125 Tyres – Schrader Valve

List of Compatible Tyre Sizes

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

If the size printed on the sidewall of your tyre appears in the list below, you can order these inner tubes with complete confidence.

• 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)

If your tyre size is not listed above, these inner tubes will not be compatible with your bike. You can explore our full range of 12-inch inner tubes to find the right size.

Usage

This pack of 2 inner tubes is designed for 12-inch wheels commonly found on everyday children’s bikes and first balance-learning vehicles. They fit a wide range of equipment, including kids’ bikes, balance bikes, tricycles, convertible or evolving bikes and other family-use gear fitted with 12-inch wheels. Compatible with standard clincher tyres and with some tubeless-ready setups that allow the use of an inner tube.

Materials & Performance

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

• Excellent air retention for long-lasting pressure.
• Enhanced resistance to punctures, pinches and daily wear.
• Smooth, comfortable rolling on roads, paths and playground surfaces.
• Quick and easy installation.

When it comes to kitting out a children’s bike or balance bike, reliability matters most. These 12-inch inner tubes are engineered to cope with kerbs, uneven paths and everyday rides, all while maintaining solid pressure over time. Exactly what you need to keep small wheels rolling smoothly and worry-free across the UK.