Schwalbe Standard inner tube no. 4. for bicycle tires in sizes 16" and 18" inch (ETRTO 28/37-340/355). Retains air for an above-average length of time. Thanks to the best material quality and uniform wall thickness. Maximum reliability that has proven itself millions of times over.
ETRTO: 28/37-340/355
Weight: 0.18739 lb:
Wheel Size: 16 18
Valve: SV
Bead: Butyl
Valve length: 40 mm
Execution Tube: Standard
Tube Item: 4