【SIZE】32mm Schrader (ordinary valve). Suitable for 20" x4.0/ 4.5" tires and inner tubes
[Installation Precautions] Please check whether the side of the tire is suitable for the tire size of your bicycle
【More durable】The bicycle inner tube is made of high-quality butyl rubber. It has the advantages of better sealing performance, ozone resistance, anti-aging, shock absorption and electrical insulation.
【Easy to install】Quick and easy installation. When inflating from a fully inflated tire, follow the inflation guidelines. Easily replace old tires in a few minutes, which is time-saving and efficient.
[Safety Bicycle Tire] Changing the butyl rubber inner tube can absorb the impact of bumpy roads, making riding more comfortable and safer. It is heat resistant and can withstand the abrasion of daily use.