Kenda 18 inch inner tube made from highly elastic special BUTYL mixture, with schrader/auto-valve (35 mm).
Double check of air-tightness!
Fits the following dimensions:
47/57-355 (18 x 1.75 - 2.125)
In general valves can be separated 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
Schrader valve 45°: single-bend Standard, Car or Moto valve
Manufacturer item code: 511305
Material: special BUTYL mixture
Valve type: Schrader