Valve Extenders

Sierra Bicycle Supply Verified independent store

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Zipp valve extenders for use with threaded, non-removable presta value tubes. For use with threaded presta (non-removable core) tubes Extenders thread "over" an existing valve and do not "replace" a valve core Knurled end to keep pump from slipping 3mm hex broach in the barrel to guarantee a perfect seal when tightened Sold each Show more