33
Brakes
5.4
Rim brakes
WaRninG
Rim breakage as a result of wear and tear.
Risk of accident and injury!
• Ask your specialist dealer to inspect the rims at least
once a year or after riding 1000 km.
When the brake lever on a mechanical rim brake is acti-
vated, the brake cable pulls the brake arms together,
which presses the brake pads against the rim
(see Fig.
“Mechanical rim brakes”)
.
When the brake lever is operated on a hydraulic rim brake, the
brake pistons within the brake unit are pushed outwards by oil
pressure. The brake pads are thus pressed against the rim
(see Fig.
“Hydraulic rim brake”)
.
5.4.1
Basic information
Using rim brakes causes
wear and tear to the brake pads and the
rims.
The cable can also become worn in rim brakes operated by cable.
In the case of hydraulic rim brakes, the brake fluid can also become
damaged through use.
Please follow the instructions listed below for the front and rear
brakes.
•
Remove dirt from the components of the rim brakes and the
rims immediately with a slightly dampened cloth.
•
Check that all the screws in the brake system are secure.
•
Check whether the brake lever is torque-proof on the handle-
bar.
Fig. Hydraulic rim brake
1 Fastening lever
2 Hydraulic lines
3 Brake pad
4 Rim
1
2
3
4
•
If you find loose screw connections, ask your specialist dealer
to tighten them, taking the correct torque into consideration.
•
Pull on the brake lever several times and check that the brake
cable does not catch anywhere, that no scratching sounds
can be heard and that no brake fluid leaks from the cables,
connections or brake pads.
•
Check for damage to the brake cable casing or torn wires
(visual check).
•
If you notice damage to the brake cables or if you notice that
brake fluid is leaking, do not use the bicycle.
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