2-PCS 20" Self-Sealing Bike Tubes 20 x AV32mm Super Automatic Repair, Puncture Resistant Compatible with Bike Bicycle Tire Tubes Schrader Valve

SIZE: 20""/" AV32mm (45/57-406) bicycle 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 tires

Easy To USE: The Self Sealing Bike Inner Tube is a self-repair for some small holes or very fine example, after a long time, some places will leak air quietly,accidentally hit nails and other problems, which are easy to 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 puncture repair fluid circulates through the inner tube, automatically sealing the testing, the leak can be repaired within 5~8 seconds under normal conditions.

Ultra Durable: Our inner tubes have higher puncture resistance , and the body can withstand more friction and wear, thus extending the service life of the tube, reducing frequency and maintenance costs. And in long-term use.

Please note: Because the Self Sealing fluid is flowing, in order to prevent the liquid from flowing out during operation, please do not concentrate the center of gravity or the liquid near the air nozzle when pumping up

Installation: 20""/" bicycle inner tube for easy installation and removal. Check the valve position to ensure that the installation direction is correct

This inner tube is compatible with the corresponding models of mountain bikes, road bikes, Cruiser bikes, electric bikes