Ultra light : This bicycle tube is only 45g, which is about 100 grams less than the traditional butyl rubber inner tube, a pair of which can save 200 grams, reduce the burden on the bicycle, and make the ride lighter.
Fits multiple tire sizes: This folding bike tube is compatible with many tire sizes: 16"/18"/BMX 20" Valve Length French /Schrader 45/42 mm.
Safe and not easy to burst: The special new TPU material has excellent resistance to puncture.Seamless construction, with a mold-cured vulcanization, to ensure uniform roundness and give a smooth ride and handling.
Good airtightness : The bike inner tube is equipped with a high airtightness 42mm French /Schrader nozzle, which will not leak and can be used for half a year with one inflation.
Easy install : first remove the tire, take out the old inner tube, replace it with a new inner tube after pressing the tire back in, and then inflate it.