Michelin A1 AirStop Butyl Road Bike Tube
Airstop Butyl tubes answer the needs of everyday cyclists for economical, high quality inner tubes. In each size, Airstop Butyl tubes offer excellent puncture resistance and the consistently high quality for which Michelin is famous.
Wheel Size: 700c
Size: 40mm Valve
ETRTO: 18/25 - 622
Width: 18 - 25c