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WARNING:
Checking the headset
If you do not adjust the headset properly or tighten it too tightly, this could cause bre-ak-
ages.
This should therefore always be carried out by a professional bike workshop.
If you ride with the headset loose, Unis could damage the bearing shells or fork.
VI. Fork
The front wheel is held in place by the bike fork. The bike fork consists of two fork blades, the
fork crown and steering tube.
The suspension fork is a feature of most mountain bikes, trekking bikes and city bikes. They can
be adjusted in different ways and provide a greater degree of riding comfort.Speclfic information
on your suspension fork is provided in the manufacturer’s operating instructions which you can
find on the CD or the manufacturer’s website.
WARNING:
Never ride with a damaged bike fork. Do not attempt to repair
a defective bike fork. This can lead to serious accidents.
If you notice that the bike fork is warped or otherwise dam-
aged, replace it before using the bike again.
Avoid sudden changes in ground level and riding off high
kerb stones. This can damage the fork and lead to serious
accidents.
Check regularly that the screws on the bike fork are securely fastened. If screws are
allowed to come loose, this can cause serious accidents.
VII. Chain rings
Chain rings are wear parts. Their service life depends on various factors, e.g.
•
Maintenance and care,
•
Type of use and distance travelled.
VIII. Bottom bracket and cranks
WARNING:
The cranks must be securely fastened as this could otherwise damage the crank set.
•
The cranks can come loose which is why you should regularly check whether they
are securely fastened by attempting to rock
•
If there is play in the cranks, have the bike checked and the cranks fastened securely
by a professional bike workshop.
IX. Wheels
IX-1.
Checking the wheels
The wheels connect the bike with the surface you are riding on. The wheels are subject to a par-
