Before purchasing an inner tube, please check whether the original inner tube is an American valve or a French valve, and its size, so that it can not be installed after purchase.
Material: High quality butyl rubber
Model number: 700C
Air mouth: American valve, French valve
Valve valve length: 32L 35L 48L 60L 80L
Fetal wall thickness: 0.87 mm
Product configuration: one instruction sheet, color box packaging
The inflation of inner tube alone will be greater than that of outer tube, which will affect the service life of inner tube，The tyre is a sealed air bag, which can not bear high tyre pressure and pressure of inner tube，It depends on the outer tube.
Almost all inner tubes, as long as they are inflated to a certain degree, will present the phenomenon of uneven thickness,The same is true for imported tires, if the tire pressure is very low.
There will be large deformation, which may be a little problem! Please don’t
Tangle this problem, will not affect normal use at all.
The inner tube can only be filled in the outer tube, is the correct way to use!