Bicycle Tyre Valve Types

Inner tube valve types.

Bicycle tyre valve types.

This style of valve has built in valve caps which you open before pumping air into the tire and which must be tightly closed to prevent air from slowly leaking out of the tire. Valves on bike tubes are either presta or schrader the hole in your bike rim matches your valve type so you want to be sure that your bike tube s valve type matches your old tire too. There are two basic types of valves that you ll find on bikes. 26in 27 5in or 650b 29in diameter wheels.

The valve is the key part that keeps air in the tyre but also. They re seen more typically on road bikes. As opposed to schrader valves which resemble car tire valves and are more common on u s. The first thing you ll need to know before pumping up your tyre is what valve type is fitted.

The best place to start is what type of valves your inner tube or tyres if you re running tubulars have. But since mtb tyres are typically wider than road tyres they may be too wide to fit even in a gravel bike tyre. Presta valves are narrow and often have a tiny nut to seal and open them. Bicycles presta valves require a pump with a different connector than schrader valves use.

The outer valve stem is manufactured in various lengths for different applications and has a. Bike tube valve types. Presta valve inner tube. Metal presta valves on bicycle tires are sometimes known as french or skinny valves.

Aside from presta and schrader there s also a third type of valve the dunlop valve sometimes referred to as a woods. A lock nut to secure the stem at the wheel rim and a valve cap may also be present. Furthermore it requires more knowledge than one might assume to use correctly. What valve type does my bicycle have.