20 inch inner tube with either Presta, Dunlop or Schrader valve.
Fits the following dimensions:
32-406 → 47-451 (20 x 1 1/4 → 20 x 1.75 x 2 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: 0181211 (Schrader 34 mm)
0181221 (Dunlop 40 mm)
0181231 (Presta 42 mm)
Valve type: Schrader
Dunlop
Presta
Weight supplement: manufacturer information
