# FAQ: How To Pump Air Into Bike Tires?

## How do you pump air into a bicycle tire?

How to Pump a Bike Tire

1. Acquire the necessary bike pump for your bike’s tire valve.
2. Determine the tire pressure needed for your bike.
3. Unscrew the cap from the valve.
4. Place the pump on the valve.
5. Pull up the pump lever.
6. Inflate the tire.
7. Remove the pump from the valve.
8. If you overinflated, remove some of the air to reach the correct psi.

## Why can’t I pump air into my bike tire?

There’s a little pin that has to be pressed down in order for air to get into the tire, and if it isn’t pressed down enough, it won’t allow any air in no matter how much you pump. If that doesn’t help, your tire valve could be stuck closed, or the pump fitting (the thing you press over the tire valve) might be broken.

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## How do you know how much air to put in bike tires?

Look on the sidewall of your bike tire and find the recommended PSI (pounds per square inch). This will vary based on the bike and the tire size. Sometimes this is given in a range such as 35-65 psi on a mountain bike. Or it might give a maximum such as 120 psi on a road bike.

## How do I put air in my bike tire without a pump?

How to Inflate Bike Tires Without a Pump

1. Turn the cap of the compressed air inflator counterclockwise by hand and remove the cap.
2. Remove the valve cap from the valve stem on the bike tire.
3. Insert the neck of the CO2 cartridge into the open end of the inflator fitting.
4. Hold the cartridge in place and inflate the tire for several seconds.

## What is the air pressure for a 26 inch bike tire?

If you’re inflating 26 – inch tires (common on comfort and off-road bikes ), you may find that the pressure range is wider, say “35 to 60 psi.” This is because these tires can be used on and off road. For the former, 60 psi is about right because it rolls optimally on pavement.

## Can I pump bike tires at gas station?

Your tires need to have Schraeder valves (similar to car tires ) or you’ll need an adapter for a Presta valve. Fill the tire in very short bursts, checking the pressure in between. You can get adapters for presta valves that screw on and allow you to use the service station pumps.

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## What does Presta valve look like?

Presta: About half as wide as a Schrader valve and made entirely of metal. They taper slightly toward the top, and some are threaded all the way down. The valve stem opens by unscrewing a knurled (textured) nut at the top.

## Why won’t my tubeless tires inflate?

Tubeless tyres hold air only after being seated properly. That means the bead is at the shoulder of the rim’s flange. Many tyres have to be inflated and under pressure to seal the bead. One has to inflate them with more air per second going in through the valve then getting lost along the yet unseated bead.

## Do I have a Schrader or Presta valve?

For the most part, inner tubes and tubulars on road bikes will use Presta valves, and mountain bikes will use Schrader valves. The visual differences between the two are obvious, with the Presta (pictured above) being slimmer, lighter and having a lock nut to close that you can see on the top.

## What happens if you put too much air in your bike tires?

The higher pressure makes the bike feel fast but may actually be slowing you down! If the tire is too hard it will have a tendency to vibrate and bounce which increases rolling resistance and makes for an uncomfortable ride.

## Is 40 psi good tire pressure?

Higher pressure generally is not dangerous, as long as you stay well below the “maximum inflation pressure.” That number is listed on each sidewall, and is much higher than your “ recommended tire pressure ” of 33 psi, Gary. So, in your case, I’d recommend that you put 35 or 36 psi in the tires and just leave it there.

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## At what PSI will a tire explode?

The standard tire is inflated to about 30 to 35 pounds per square inch. Under hot weather and highway conditions, the temperature of the air inside the tire rises about 50 degrees. That increases the pressure inside the tire about 5 psi. The burst pressure of a tire is about 200 psi.

## Where can I pump my bike tires for free?

Where to Get Free for Your Tires

• Regional Gas Station or Grocery Store. Some regional gas station brands still offer free air.
• Get a Portable Air Compressor.
• Check Your Car Trunk.