20 inch 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.
Fits the following dimensions:
23-451 (20 x 0,90)
25-451 (20 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
Manufacturer item code: 10416290, 10400013
Valve type: Presta (Sclaverand) ||| Schrader (Auto)
Weight supplement: manufacturer information
