Air only comes out of schrader side when attached to presta valve and locked. Im about to return as defective unless there's something else to do?

Hi! I have to over pump at times because some air escapes, but there should be no need to put the adapter on, just use the presta part for your bike. There is one. Here it is in the picture. It sound like you are taken a step that can be done, but is not needed. It comes with a presta connector, I am pointing to it with my thumb for you. I assure you that it works! But, if you have a bike shop take the pump with you and watch the tech use it, you have to lock it tightly. See what he does, you don’t need your bike, if you want take off your front tire if that is a possibility. It will work, bring it to a pro for a tutorial (:

How do you use the road bike nozzle?

Have no problem as there are choices for different nozzles. I believe there is a YouTube video description.

How do you use the attachments? They don’t seem to fit.

You have to flip the valve release on the back of the head insert and lock down the black lever

Why is the pressure guage reading zero?

I can only say if the valve is connected to the tire or inflatable object you should show the pressure. I have 2 of these pumps and both of them have worked perfect. You may need to exchange it if the pressure gauge is not working.

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🚴‍♂️ Pump up your ride, own the road!

ERGONOMIC POWER PUMP - Comfort grip handle designed for effortless, controlled inflation every time.
ROCK SOLID STABILITY - Wider, thicker steel base ensures steady pumping even under high pressure.
ALL IN ONE INFLATION KIT - Includes multifunctional adapter, needles & nozzles for bikes, balls & more.
DUAL VALVE COMPATIBILITY - Seamlessly fits Schrader & Presta valves—no adapter needed, no fuss.
RACE READY PRESSURE CONTROL - Inflate up to 160 PSI with precision gauge for flawless tire performance.

The GOBKO Bicycle Pump is a durable, high-pressure manual floor pump crafted from alloy steel, delivering up to 160 PSI. Featuring a precision pressure gauge compatible with both Schrader and Presta valves, it offers stable, ergonomic operation with a wide steel base. Versatile accessories make it perfect for road bikes, MTB, sports balls, and more—ideal for serious cyclists and active lifestyles.

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Colour	orange
Brand	GOBKO
Material	Alloy Steel
Item Weight	0.85 Kilograms
Product Dimensions	24.1L x 24.1W x 73.7H Centimeters
Power Source	Manual
Air Flow Capacity	1.5 L/sec
Maximum Pressure	170 Pound per Square Inch
Operation Mode	Manual
Manufacturer	GOBKO
UPC	680017183738
Department	ALL
Country of Origin	USA
Item model number	032Y
ASIN	B094TXY2CD

GOBKO Bicycle Pump Air Pump Bicycle French Valves with Pressure Gauge, Air Pump for Road Bike MTB Sports Ball Pump High Pressure 160 Psi and 11 Bar

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