- 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
 
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