Kenda - Universal Tube 16x1.75 2.125 Inches
Double check of air-tightness!
Fits the following dimensions:
47/57-305 (16 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