12 1/2x2 1/4 (57 203) Inner Tube 12" with 45 Valve, levers incl. Pack of 2 fits Stroller, Scooter, Tricycle, Kids Bike

✅ 100% COMPATIBILITY. This inner tube is compatible with the following tires 🛞: 12 1/2 x 2 1/4 (57-203), 12 1/2 x 2.125 (62-203), 12 x 1.75 (47-203), 12 x 2.10 (54-203), 12.5 x 2.125 (62-203), 300x55-203, 300x75-203, 12 1/2 x 1.95 (50-203). 🛞 ORIGINALITY: The diameter and thickness of the inner tube are ideal for replacing stroller, scooter, and kids' bike tires with a 12-inch size. 💪 RELIABILITY. Premium 1.2 mm butyl rubber that cushions external shocks on cobbled roads and allows long-term use. 🌱 SAFETY ALL YEAR ROUND. The inner tube material is lead-free and can be stored safely at home near food. The tube is highly wear-resistant and can be used safely in any season and under all weather conditions. 🔧 REPLACEMENT PROCEDURE. Slightly inflate the inner tube. Insert it into the tire and distribute it evenly inside. Place the valve on the wheel. The valve must remain on the outside of the stroller. Mount the outer tire first on one side of the rim and then on the other. Inflate the wheel between 1.2 and 1.5 bar. If you encounter any problem, you can contact us at any time. We offer free returns within 30 days or free replacement.