10/11/12 inch inner tube with Schrader valve (auto)
Fits the following dimensions:
44-194 (10 x 1 5/8")
47-222 (11 x 1 3/4")
47-203 (12 1/2 x 1.75 - 1.90")
50-203 (12 x 2.00")
54-203 (12 x 1.95")
57/62-203 (12 1/2 x 2 1/4")
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