Bicycle Valve Stem Types

The humble inner tube may be one of the simplest parts on your bike but with a wide range of sizes different valve types and a choice of materials choosing the right tube isn t necessarily as.

Bicycle valve stem types. My new trek 1000 has a type of valve stem different from the standard car type stem on my mountain bike. Presta valves bike tire tube stems. They use an internal spring to allow inflation while keeping the valve closed. These valves are quite narrow and have a screw at their valve tip.

As opposed to schrader valves which resemble car tire valves and are more common on u s. Road bike valve stem type. Now that said it is extremely difficult to get any parts of a high quality in some parts of the world anyway. Bicycle inner tubes have two major types of valves.

Types of bike tire tube stem presta valves. Presta schrader and woods valves are each most common on particular types of bikes but they function largely the same and are frequently but not always interchangeable on wheel rims. Bicycle valve stem types from experience i know that the one main drawback to choosing presta is that sourcing new inner tubes may be nigh on impossible in certain parts of the world. Inner tube valve types.

The valve stem opens by unscrewing a knurled textured nut at the top. The outer valve stem is manufactured in various lengths for different applications and has a. Unlike a schrader the system doesn t use a check valve it seals entirely based on pressure in the tube or tire. The presta valve also called french valve fv or sclaverand valve is a valve commonly found in high pressure road style and some mountain bicycle inner tubes it comprises an outer valve stem and an inner valve body.

A lock nut to secure the stem at the wheel rim and a valve cap may also be present. The two most common valve types these days are presta valves and schrader valves. A third rarer type of valve is the woods or dunlop style. Schrader valves are most commonly found on bikes with wide rims and are the same style you ll find on most automobiles.

Presta valve inner tube. Types of bike valves duration. Metal presta valves on bicycle tires are sometimes known as french or skinny valves. Most bikes come with wheels that use presta valved tubes.

You can inflate this style easily with any regular air pump. Do i need an adaptor to fit it to a pump or do.