BICYCLE PUMPS at OOTDOORS
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Bicycle pumps are a type of positive-displacement pump specifically designed for inflating bicycle tyres. It has a connection or adapter for use with one or both of the two most common types of valves used on bicycles, Schrader or Presta. A third type of valve called the Dunlop (or Woods) valve exists, but tubes with these valves can be filled using a Presta pump.
In its most basic form, a bicycle pump functions via a hand-operated piston. During the up-stroke, this piston draws air through a one-way valve into the pump from the outside. During the down-stroke, the piston then displaces the air from the pump into the bicycle tire. Most floor pumps, also commonly called track pumps, have a built in pressure gauge to indicate tyre pressure. Bike Pumps are another one of those must have bike accessories. Whether you decide on a hand pump, which usually attaches to the bike, or, a foot pump for a quicker action, the care of your tyres is greatly helped by maintaining your tyre pressure at the correct levels.
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