Bontrager Inner Tube - 29" | Fat Bike

Premium-quality Bontrager Standard butyl rubber tubes. 0.9 mm wall thickness. In general valves can be seperated into three different groups : Presta valve: Sclaverand valve, Race valve, French valve Dunlop valve: Wood, Bicycle or Dutch valve Schrader valve: Standard, Car or Moto valve Material: Butyl rubber Valve type: Presta Weight supplement: manufacturer's specs