Description: High quality inner tube with schrader valves. High puncture resistance. Tube, 20x3.5/4.0. High air pressure retention. Quality precision made valves. Replacement inner tube for a hybrid, comfort bike or other bicycle with the same tire size. Specification: Material: Rubber Package Size: approx. 120x100x60mm/4.72 x 3.94 x 2.36inch Size: Schrader Package Includes: 1 Piece of Bicycle Inner Tube
