š½ćSizećBike tire tubes 20 x 3.5 20x4.0 āwith AV32mm (Regular valve), compatible with 20x3.5/4.0 fat tire tubes. compatible with road bike /mountain bike Tire ( ETRTO : 90-406/100-406 ) bicycle tire tubes
š½ćMore DurablećThe self-sealing inner tubes designed specifically to stop tube punctures from ruining your ride and keep you going.
āš½ćEnvironmentally FriendlyćNon-toxic, non-corrosive and non-hazardous, non-flammable, water soluble.
āš½ćEasy to UsećThe 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 normally at room temperature and 0~-15ā, and it is more conducive to travel in cold weather.
š½ćPlease NotećAs the liquid is fluid, please avoid concentrating the center of gravity or the liquid near the air nozzle during operation to prevent spillage while inflating.
š½ćSafe Bike Tyres TubesćPre-installed with Sealant to provide maximum puncture protection and prevent flat tires on your bike.The self-repairing inner tube is a thicker design, which is more durable than the normal inner tower. The bicycle inner tube rolls through the tire repair liquid to automatically fill the punctured area. After testing, the leak can be repaired within 5-8 seconds under normal conditions.