JACO Bike Presta Valve Tire Air Chuck - 1/4" NPT (2 Pack) (Open Flow)
- Open Flow - these Presta valve attachments are open flow, meaning air will flow freely through the chuck even if not engaged with the tire valve stem (no check-valve). Must be used with an inline tire inflator gauge or standard tire gauge (Not for DIRECT connection to air compressor hose)..
- 1/4 inch F-NPT fittings - feature a standard 1/4 inch F-NPT fitting, making them compatible with inline tire inflator tools and tire gauges..
- Rugged & reliable - these straight angled Presta valve tire chucks are made of high-quality brass, providing a sturdy and reliable connection between your tire inflator tool and your bike tires..
- Presta valve compatibility - the air chucks are specifically designed to work with presta valve equipped bike tires, allowing you to quickly and easily inflate your tires (NOT for Schrader valve types)..
- Easy to use - simply attach them to any hand-operated, inline tire inflator tool connected to an air compressor hose, and start inflating your tires (NOT for use with floor pumps, hand pumps, or 12v air compressors)..