Schwalbe No. 17 Inner Tube - 27/28"

Schwalbe 28 inch tube. Available 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 the following tire dimensions: 28-622 (28 x 1 5/8 x 1 1/8) 30-622 (28 x 1.20) 32-622 (28 x 1 5/8 x 1 1/4) 37-622 (28 x 1 5/8 x 1 3/8) 40-622 (28 x 1.50) 42-622 (28 x 1.60) 47-622 (28 x 1.75) 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: Dunlop (Wood) ||| Schrader (Auto) ||| Presta (Sclaverand)