Continental
Tour 26 Tube

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

Symbolic picture:Image can deviate.
Material: rubber
Valve type: Schrader (A)
Dunlop (D)
Presta (S)