Presta to Schrader Valve Adaptor

The Ventura Presta-2-Schrader Valve Adapter converts Presta valves common on road bikes to Schrader valves, so that any pump will be able to fill your tire.
Adapter for Presta valves
Use a Schrader pump head (American) to fill a Presta valve tube
Brass
Also available in bags of 100
With a seal ring