Valve Core Tool
Park Tool

Valve Core Tool

UPC: 763477008572
Color — Blue
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Park's Valve Core Tool is great for tightening, removing and installing Schrader and Presta valve cores (the cores are inside the valve), and also Presta valve extenders that have 5mm wrench flats. It's a handy tool to save a tube when all that's wrong is a broken valve, and it also lets you remove valves to easily insert sealant.

Schrader valve cores

Removable Presta valve cores (not all Presta valve cores are removable)

Presta valve extenders with 5mm wrench flats

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