About this item

• Inner tube: 20"x2.125"/2.4" AV32mm (57/64-406) bicycle replacement inner tube, these inner tubes are ideal for a wide range of applications. Enhanced the ductility of the load tire, so that the scope of application is expanded, Compatible with 20x2.125 20x2.2 20x2.25 20x2.3 20x2.35 20x2.4 tires.
• Easy To USE: The Self Sealing Bike Inner Tube is a self-repair for some small holes or very fine cracks.For example, after a long time, some places will leak air quietly,accidentally hit nails and other problems, which are easy to repair.It is worth noting that our self-repairing inner tube can be used within the normal temperature environment and cold days -15 ℃,and it is more conducive to travel in cold weather.
• Safe Bike Tubes: Pre-installed with Sealant to provide maximum puncture protection and prevent flat tires on your bike.The puncture repair fluid circulates through the inner tube, automatically sealing the punctures.After testing, the leak can be repaired within 5~8 seconds under normal conditions.
• Universal fit for Kids, Mountain, Road, BMX, and City bikes: Designed specifically for 20-inch wheels, this tube is the perfect spare or upgrade for junior mountain bikes (MTB), children's bikes, BMX freestyle, city commuters, and folding bikes. Whether tackling rugged trails or smooth roads, it delivers reliable performance across all riding styles.
• Ultra Durable: Our inner tubes have higher puncture resistance than ordinary inner tubes, and the body can withstand more friction and wear, thus extending the service life of the tube, reducing replacement frequency and maintenance costs. And in long-term use.
• Excellent shock absorption ability: The strong, highly durable butyl rubber made from these inner tubes is a perfect shock absorber to reduce vibration and eliminate the shock caused by bumps and rough surfaces on the road or pavement.