More on the results of vacuum pumps:

How Do I Pump Up a Bicycle Tire With a Presta Valve

Remove the black cap from the Presta valve stem. Step 2. Turn the lock nut on top of the stem counterclockwise until it is loose enough to allow airflow. If you push down on the top of the nut and hear air escaping, the nut is in the correct position. If necessary, screw the adapter onto the valve stem....<<more>>

Choosing the correct bicycle tube - BikeRoar

The first valve type is your standard 'car valve' - the Schrader valve. You'd find a Schrader valve on some entry level mountain or general purpose 26" bikes, and on almost all kid's bikes. The Schrader valve is slowly being replaced by the Presta valve, which was originally found only on road bikes....<<more>>

What's the difference between Presta and Schrader valves

Now since Schrader valves need a pressure higher than the spring's compressibility to open them, they require special pumps which generate that pressure. But since Presta valves don't have such a mechanism, they can be filled by portable hand pumps. Apart from these, Presta valves are much smaller and sleeker compared to Schrader....<<more>>

Presta valve - Wikipedia

Conversely, when a Presta valve is fitted into the larger Schrader rim hole, grommets or reducers are sometimes used to take up the extra space. The standard Presta valve has an external thread. An adapter can be fitted onto this external thread to permit the Presta valve to be connected to a pump with a Schrader chuck....<<more>>

Bicycle Presta Valve caps for MTB Road Bike French Tire

Wholesale cheap brand -bicycle presta valve caps for mtb road bike french tire inner tube pump tire dustproof cover bicicleta bicycle part from Chinese bike groupsets supplier - phxi1984 on DHgate....<<more>>

BikeFilter: I need remedial Presta valve help. - bicycle

You screw this over the valve and it turns into a "car" valve. It's much harder to break a Presta valve stem with the adapter in place. Plus, you can flip it over and screw the adapter on the valve for "storage" directly on the bike tire. Just unscrew, flip over and use when you need to pump air into the tube. This way it's there whenever you need it....<<more>>

is there a way to inflate presta valves with an air

Yep just get the presta adapter and inflate with compressor or floor pump. just make sure you take the adapter back off and close the valve back up before you ride.they loose air really fast if you bump the valve....<<more>>

Stupid Presta Valves | Cycling Forums

Stupid Presta Valves. Discussion in 'Cycling Equipment' started by noticed it had a new (to me) valve on it called a presta valve. You need a special attachment for your pump, which I actually have, but the valve on it called a presta valve. You > need a special attachment for your pump, which I actually have, but the > valve apparently ...<<more>>

Slime Your Presta Valve Bicycle Tubes - Instructables

I found that you don't need a presta-schrader valve adapter when doing this. Just skip the connector tube and stick the nozzle of the slime bottle right on the presta valve. It fits perfectly - just just have to tip the connection off occaisionaly as you fill to let some air back into the bottle....<<more>>

Different Valves on Bike Tires Explained: Presta vs

When it comes to filling your bicycle tires, you need to know about the two kinds of valves out there: the tall and skinny Presta valve and the more utilitarian Schrader valve, which you probably ...<<more>>

Advantage of Presta??- Mtbr

Is there any real advantage to using a presta valve vs. schrader? I think its just a pain in the a$$, becuase when you are at the gas station trying to fill up your tires with the air compresssor you have to carry the retarded adaptor with you, or you need a updated pump at home that converts to presta, or has 2 valves (like mine)....<<more>>

Pumping Up European Tires - Flying Pigeon LA

To pump up European tires you need to buy a presta-to-schrader valve adapter and screw it onto your dunlop valves. Boom, done. As arbitrarily as the bike industry has handed us theses three valve types to deal with, they have offered up a nice solution: the threads on the presta and dunlop valve are identical....<<more>>

How to Pump Up Road Bike Tires | LIVESTRONG.COM

By placing the valve down, you avoid placing stress on your pump's hose. Step 3 Remove the plastic cap from the valve and, if you have a Presta valve, lightly unscrew the brass cap just until it stops....<<more>>

Bike pumps | Trek Bikes

Take the chore out of tire inflation with an efficient bike pump or CO₂ inflator and cartridges from Bontrager. Portable hand pumps and inflation kits ensure you're never left stranded, while floor pumps make inflating tires with both Presta and Schrader valves a breeze....<<more>>

How to Choose the Best Bike Pump | REI

How to Choose Bike Pumps. To do so, you’ll probably want a bike pump for home and another for your bike. Virtually all bike tubes use either Presta or Schrader valve stems. A third option, Dunlop, is rarely encountered in U.S. but can be found on some bikes internationally....<<more>>

Presta vs Schrader valves by Jobst Brandt - Sheldon Brown

Presta valves are easier to pump than Schrader, because they have no valve spring to overcome. Although a valve depressor for Schrader valves can alleviate this, it requires a check valve, impractical to house in lightweight pump heads....<<more>>

Do you need presta valve stem nuts? - Road Bike, Cycling

Yes, if you have short valve stems, you probably at least want to take one along with you on a ride so you can get that initial pump of air in the tube following a repair. If you have long stems, you probably don't need one but if you do install them on, you will have to have them firmly tight to keep them from rattling....<<more>>

Halfords Mini Bike Pump

Put yellow insert back into the pump (depending on which valve you have), followed by rubber seal(depending on which valve you have) and then screw the grey cap back on. it DOES work on presta valves. You need to change the order of the components. This took me about 10mins to work out while waiting to be rescued. Once I used some common ...<<more>>

Are bicycle tire valve caps necessary? - Quora

Valves shouldn't leak, but occasionally they do, and a tightened valve cap can do just enough to save the day. An example is when using a small hand pump to repair a flat out on the road, where you accidentally bend the thin threaded piece in the Presta valve....<<more>>

Vibrelli Performance Floor Pump Review - Best Track Pump

It offers effortless valve switching from Presta to Schrader valves without any need for adapters. There is a lever allowing for a switch to the settings for the valve you want to use. Accurate pressure gauge: This is another highly rated feature which makes this bike floor pump a top seller....<<more>>

Bicycle Valve Caps: Are They Important? | Montague Bikes

Once the valve is compromised, there’s nothing you can do but replace the whole tube. So keep track of those valve caps, especially if you ride in bad conditions, all weather, or off-road. You could even give your bike a personal touch with novelty valve caps:...