877-00136_1.0_17.09.2018
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Description
3.3 Wheel and fork
1
2
4
5
8
7
3
9
6
Figure 4: Components of the wheel – example showing front wheel
1 Tyre
2 Rim
3 Suspension fork head with setting wheel
4 Fork
5 Spoke
6 Quick release
7 Hub
8 Valve
9 Fork end of the suspension fork
3.3.1 Valve
Each wheel has a valve. It is used to fill the tyre with
air. There is a valve cap on each valve. The screw-on
valve cap keeps out dust and dirt.
The bicycle either has a classical Dunlop valve, a
Presta valve or a Schrader valve.