Zipp Tangente Aluminum Knurled Valve Extender - 65mm for 808 1 Piece for Removable Presta Valve Black. Zipp valve extenders for use with removable presta value tubes.

For use with removable valve core presta tubes

Works with Zipp butyl inner tubes with a removable core as well as other leading tubular tires and inner tubes that have removable cores

Knurled end to keep pump from slipping

3mm hex broach in the barrel to guarantee a perfect seal when tightened

Integrated air seal

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