Extra light 26 inch inner tube with different types of valves.
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 following dimensions:
20-559 (26 x 3/4)
25-559 (26 x 1.00)
20-571 (26 x 3/4)
23-571 (26 x 7/8)
In general valves can be separated into different groups :
Presta valve: Sclaverand valve, Race valve, French valve
Schrader valve: Standard, Car or Moto valve.
Weight supplement: manufacturer information