Park Tool Valve Core Tool VC-1 Size:NONE With a Shimano gearing and

With a Shimano gearing and smart features like a rear derailleur guard

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Park Tool Valve Core Tool VC-1 Size:NONE With a Shimano gearing andThe VC 1 is a small, handy tool designed to remove and install Schrader and Presta valve cores, as well as Presta valve extenders with 5 mm wrench flats. Helpful for setting up tubeless tires, replacing damaged or leaking valve cores, or rapidly letting air out of large volume tires. VC 1 Features Compatibility: Schrader valve cores Removable Presta valve cores (not all Presta valve cores are removable) Presta valve extenders with 5 mm wrench flats