Schwalbe Wheelchair Tube #12B, 26 x 3/4 - 1.0, Schrader (AV) Valve

26 inches 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.

Fit the following tire dimensions:
20-590 (26 x 3/4)
25-590 (26 x 1.00)