Park Tool Valve Core Tool (VC-1) size-xsmall Available in a range of

Available in a range of sizes to suit on and off-road wheels with 19-35mm inner rim widths

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Park Tool Valve Core Tool (VC-1) size-xsmall Available in a range ofAbout Park Tool Valve Core Tool (VC 1) A small, handy tool designed to remove and install Schrader and Presta valve cores and to remove and install Presta valve extenders with 5mm wrench flats. Note: Not all Presta valve cores are removable. About Park Tool Park Tool are the world's largest bicycle tool manufacturer. Located in St. Paul Minnesota they have been designing and manufacturing bicycle specific tools since 1963. Their dedication to quality