Butyl Rubber Mountain Bike Inner Tube Schrader Valve Extension Air Nozzle 26 27.5 29 Inch Tyre Tube

--High quality butyl rubber, has good resistance.

--has good air tightness, heat resistance, ozone resistance, aging resistance.

--shock absorption, electrical insulation properties, and is resistant to sunlight and ozone.

--Multiple models available, personalized as you like.

--Air nozzle length: 48mm extended air nozzle.