Bicycle inner tubes are divided according to their valve types and there are three of them available in the market.
Bicycle inner tube valve types.
A third rarer type of valve is the woods or dunlop style.
These valves are quite narrow and have a screw at their valve tip.
Presta inner tubes are available in different valve lengths to be appropriate for use in deep section rim profiles.
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 tubes with presta left and schrader right valves.
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.
The first two models are the most common among bike tubes and they function in the same style.
Angelsimon getty images schrader.
Schrader presta and dunlop or wood style.
Inner tube valve types.
Wider than a presta valve and typically the same circumference top to bottom.
Presta valve inner tube.