Bicycle Inner Tube Valve Types

Let s start with the basics what are inner tubes.

Bicycle inner tube valve 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. Many cyclists take inner tubes the big inflatable rubber donuts that keep most bike tyres inflated for granted. Everything you need to know about bicycle tyres. Wider than a presta valve and typically the same circumference top to bottom.

The outer valve stem is manufactured in various lengths for different applications and has a. The inner tube is inflated beneath the tire as acts as air cushion providing you with a safe comfortable ride. Most of the time no choice or thought is involved. What is a bicycle inner tube.

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. These valves are quite narrow and have a screw at their valve tip. There two main bike valve types used on bicycle inner tubes nowadays are presta and schrader valves. A lock nut to secure the stem at the wheel rim and a valve cap may also be present.

We reveal how to understand what replacement inner tube you need by recognising wheel size or diameter tyre width valve type and valve length. A third rarer type of valve is the woods or dunlop style. A bicycle will simply come with wheels that are pre drilled for either presta or schrader valves. Inner tube valve types.

An inner tube is a balloon like structure that is inflated and deflated through a valve. Bicycle tubes with presta left and schrader right valves. Angelsimon getty images schrader. You can go bike touring with either bicycle valve stem types.

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. The tyre size will be written on the sidewall for example 700 x 23 a road bike 27 5 x 2 4 mountain bike or 700 x 35 a cyclocross of hybrid bike. Most tubes fit a range of tyres for example a 700 x 18 23 25 tube will fit road tyres between 18 and 25mm.