Continental Compact Inner Tube - 20"

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