Problem Possible causes/consequences and M Solutions
The brake squeaks
when applied.
The brake calliper is not exactly aligned with the brake disc.
X
Have the brake calliper correctly aligned in a qualified
specialist workshop.
There is insufficient tension in the spokes of the wheel.
X
Have the tension of the spokes checked and corrected at a
qualified specialist workshop.
The wheel is not properly secured.
X
Increase the pretension of the quick-release device on the
front wheel.
X
Tighten the axle nuts and bolts of the dropouts on the rear
wheel to the specified torque (Y page 72).
The brake makes met-
allic noises; decel-
eration is very rough.
G
WARNING
Worn brake pads can result in longer braking distances. There
is a risk of an accident.
The brake pads are worn to below the minimum thickness. The
brake pad backing plate is grinding against the friction ring
of the brake disc.
X
Have the brake pads and, if necessary, the brake discs
replaced immediately at a qualified specialist workshop.
The front or rear
wheel cannot be moun-
ted.
The gap remaining between the brake pads is smaller than the
thickness of the brake disc.
X
Carefully prise apart the brake pads with the yellow trans-
port lock.
X
When the wheel is removed, always clamp the yellow transport
lock between the brake pads.
Shifting gear
Problem Possible causes/consequences and M Solutions
It is not possible to
engage first gear.
There is too much tension in the gear cable.
X
Reduce the tension of the gear cable at the twist-grip
(Y page 61).
If the problem persists despite taking these measures:
X
Have the gearshift checked at a qualified specialist work-
shop.
56
Troubleshooting
>> Practical advice.
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