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'. Unlike Schrader valves, which are common on some mountain bikes and all car tires, these types of valves are built to handle high-pressure tires, since the narrower valve stem increases the strength of the tube.

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.

At first it worked well, but recently it's been giving me trouble.

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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. Oh, the angst. Presta valves, on the other hand, are significantly skinnier than Schrader valves. When screwed closed, it holds air pressure in the tire.

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.

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Once the cap is in the top position, press the valve. While most bike pumps are compatible with Presta valves, some aren't. I've tried searching, but I don't know what you call this. When I sat on it and pressed on the pedals, they moved but the bike did not. Come join the conversation about range, charging, maintenance, accessories, issues and more! Share on Twitter Tweet. Step 2: Attach the Pump. Explore Our Forums. Before inflating your bike, make sure that there are no dust caps or plastic caps around the bike valve. This is an older thread, you may not receive a response, and could be reviving an old thread. Thanks in advance I am heavier than many cyclists. In past decades you could buy a bike, and the wheels were strong.

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

All you need is a road bike pump adapter, especially for tubeless road bike tires that have a Presta valve in them. To inflate a Presta valve, remove the dust cap, unscrew the brass cap, slide a pump onto the valve as far as it will go and flip up the lever on the pump to secure it in place. Step 5: Secure the Valve Cap. New Wheel Question Latest post 7 days ago. Now the rims crack. With used bikes crossing your path you should just expect it to be bad. I have had the same problem with my bike. Pump away until your tire is inflated. It appears to be brand new actually. A lot of my riding is on rough tracks. AVS Forum.