DESCRIPTION:

Compact 20 Tube

20 inch inner tube with either Presta, Dunlop or Schrader valve.

SPECIFICATIONS:

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