Continental Standard tube for road race - available with presta valve only. Fitting for tire dimensions 18 to 25-622 (700x18C to 25C).
Compatible with following tire dimensions: 18-622 → 25-622 (700 x 20C → 700 x 25C) 18-630 → 25-630 (27 x 3/4 → 27 x 1)
In general valves can be seperated 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