20 inch inner tube with either Presta, Dunlop or Schrader valve.
Fits the following dimensions:
50-406 → 62-406 (20 x 1.9 → 20 x 2.5 inches)
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
Symbolic picture: Image can deviate.
Manufacturer item code: 0181271 (Schrader 34 mm)
0181281 (Dunlop 40 mm)
Valve type: Schrader
Weight supplement: manufacturer information