Bicycle Presta Valve Adapter，Inflation Adapter Set Air Pump Compressor Adapter Presta to Schrader Adapter DV SV AV Balls Ball Pump Needle（sealing ring）

Do the job

Ideal for pumping tyres up at home with a car foot pump. a well made and very inexpensive product that enables a car tyre pump or compressor with Schrader valve connector to inflate presta valved cycle tyres.

These are a much better than plastic adapters. They fit any presta valve snuggly forming an airtight seal and the thread lasts much longer than the plastic version.