Schwalbe No. 12B Inner Tube - 26"

26 inches inner tube with different types of valves. Especially suited for wheel chairs. Extreme air pressure stable! The rubber compound makes it possible: less air leakage and less to pump. Extremely reliable! Quality control for safe riding pleasure: each Schwalbe tube is checked twice on air retention in the factory.

Fit the following tire dimensions:
20-590 (26 x 3/4)
25-590 (26 x 1.00)

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

Valve type: Schrader (Auto) ||| Presta (Sclaverand)
Weight supplement: manufacturer information