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