What is a Presta Valve?
A Presta Valve is a special type of innertube valve used on high end road bikes and mountain bikes. It is less common than the Schrader valve, which is used on automobile innertubes, and most common bicycles. The advantage of the Presta valve is that it requires a smaller diameter hole in the wheel rim, which increases the strength of the rim.
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What is the difference between mitral valve prolapse and mitral valve regurgitation?(2 Answers)
A:
The mitral valve sits between the left atrium and left ventricle. It is a check valve that normally prevents the flow of ventricular blood back into the atrium ...
How does a person, such as Robin Williams, get aortic
valve problems? Is it from stenosis, or is it a hereditary condition?(2 Answers)
A:
There are two protypical processes that can affect the aortic valve - aortic stenosis and aortic insufficiency (aortic regurgitation). These two conditions frequently co-exist. From MayoClinic: Aortic valve stenosis ...
How much does it cost to repair/replace the valve stem on a car tire?(3 Answers)
A:
Its called a schroder valve and you don't have to replace the whole valve you can just replace the stem.
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Common uses
Tubeless tires, mountain bike and road bike tubes.
