- Sale is for 2 Solid Brass Presta Adapters with rubber grommet bottom for a tighter air seal
- Place Presta Adaptor onto Presta valve tube to convert to use with a regular Schrader valve pump or gas station hose.
- Keep on your tube valve for storage, ready for next fill-up .
- To Open, Unscrew Presta Valve head till it reaches the very top.
- Thread adapter onto Presta Valve with rubber grommet side down to the rim