How do i inflate a presta valve

The standard type of valve on most modern bike tires is called a "Presta valve" sometimes called a 'French Valve'.

You'd think inflating a bike tire would be pretty simple. That is, until you take a look at your bike's valve. Enter, intimidation. The most common type of bike valve is called a Presta, and it's a long, cylindrical piece of metal that sticks out from the bike's tire. It has a small tip at the end. All you need to fill your tire is a compatible bike pump more on that below. Check out this video and step-by-step instructions to learn how to inflate a Presta valve.

How do i inflate a presta valve

The two most common valve types these days are Presta valves and Schrader valves. They use an internal spring to allow inflation while keeping the valve closed. You can inflate this style easily with any regular air pump. Presta valves are a lot narrower and are commonly found on higher end bikes with narrow rims. They are a little trickier to inflate as they use a manual locknut to open the valve for inflation. These can be purchased for about a dollar at your local bike shop. Notice that you can now let air out by depressing the locknut. The adapter effectively converts your Presta valve to a Schrader valve so that you can use a traditional air pump to inflate it. Attach your air pump and inflate the tire to the recommended pressure. Once the tire is fully inflated, remove the air pump, remove the adapter, and finger tighten the locknut. Then replace the cap. There is another locknut at the bottom of the valve stem. This should be finger-tightened once the tire is inflated.

Not long after, cracks formed in the aluminum rim in two places. Reverse the motion you used to attach the pump.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Sort by Oldest first Oldest first Newest first Most reactions. You can use a Presta valve or a Schrader valve.

Then, before I had reached the trailhead, I noticed my rear tire was significantly low. I felt like I was riding through mud — on the pavement! Remembering a gas station with an air pump on my way to the trailhead, I figured I could easily pump up my tire without a wasted trip back to my house. The gas station had a standard car pump and, new biker that I was, I forgot my bike tires have a presta valve. All because of a puny little valve.

How do i inflate a presta valve

Have you ever been out for a ride only to find your tire is flat? With these simple steps, inflating your tires will become second nature in no time. So if your bike needs some extra air, just follow along as we teach you all about Presta valves and how to properly use them. Inflating a Presta valve requires some specialized equipment. The first item is a presta valve adapter, which allows an air pump to be attached directly to the valve. An air pressure gauge should also be used to ensure that the proper inflation level is achieved. Lastly, an inflation nozzle or pump hose can make inflating easier and faster.

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Chain sits on top of chainring when shifting up Latest post 2 weeks ago. Tip Misplaced your cap or need a new one? Found the culprit: a small cut near the middle of the tyre. And never string new cables without checking the hanger first, ever I would think not Someone had brought a bike back to have the back wheel re-trued. The brake is internally routed through the frame. It appears to be brand new actually. Shimano Crank Recall Latest post 4 weeks ago. Check out this video and step-by-step instructions to learn how to inflate a Presta valve.

You'd think inflating a bike tire would be pretty simple.

The adapter effectively converts your Presta valve to a Schrader valve so that you can use a traditional air pump to inflate it. You can use a Presta valve or a Schrader valve. Step 3: Inflate the Tire. The first guy, fit, full kit, nice Colnago, was good to go. It became obvious, I could not go on repairing this wheel. How to Fix a Flat Tire. Continue pumping to the pressure measurement or PSI listed on the tires, Seacat says. A typical road bike needs 80 psi psi, while a mountain bike needs 25 psi psi. You'd think inflating a bike tire would be pretty simple. While riding my 29 inch mountain bike, spokes broke in the back wheel.