Schwalbe 18 Inch Tube SV 5A

18 inch inner tube with Presta (french) valve. 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:
47-355 (18 x 1,75)
50-355 (18 x 2,00)
54-355 (18 x 2,10)
57-355 (18 x 2,25)
60-355 (18 x 2,35)

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