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
.