Bedienungsanleitung Bergamont Road Bike (Seite 24 von 64) (Englisch)

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ENGLISH

ROAD BIKE | OWNER’S MANUAL 2016

OWNER’S MANUAL 2016 | ROAD BIKE

See your BERGAMONT dealer and ask him to examine the remaining thickness

of the rims when you are through your second set of brake pads at the latest.

Your BERGAMONT dealer has special measuring devices for determining the

remaining thickness of the rims.

Both brake arms must hit the rim simultaneously, when you actuate the brake

lever. They must keep off the tyre.

A correctly adjusted brake is only ensured if all of these checks have been made

successfully.

DANGER!

Brake cables that are damaged (d), e.g. frayed, should be replaced imme-

diately, as they can otherwise fail in a critical moment, possibly causing a

crash!

DANGER!

Adjusting the position of the brake pads relative to the rims requires a

considerable degree of skill. Replacing and adjusting the brake pads is a job

best left to your BERGAMONT dealer.

DANGER!

Have your rims regularly inspected and measured by your BERGAMONT

dealer (e).

Synchronising and readjusting

With dual pivot brakes, turn the small (headless) screw located at the side or on

top of the calliper (f), until the left and right brake pad are at the same distance

from the rim.

Also check whether the bolt by which the brake is screwed to the frame is still

tightened to the proper torque, i.e. according to the torque value given in the

chapter “Recommended torque settings for your BERGAMONT bike”.

The position of the brake lever where the brake starts to act, also referred to as

pressure point, can be adjusted to the size of the hand as well as to individual

convenience by readjusting the brake cable. Make absolutely sure you cannot

pull the brake lever all the way to the handlebar grip.

RIM BRAKES

Racing and side-pull brakes

Operation and wear

Actuating the levers on the handlebars (a) and cables (b) causes a brake pad

to be pressed against a brake surface. The ensuing friction slows down the

wheel. If water, dirt or oil come into contact with one of the braking surfaces,

this changes the coefficient of friction and deceleration is reduced. This is why

brakes respond with a slight delay and less powerfully in wet weather.

In order to maintain their effectiveness, brakes need to be checked and read-

justed regularly.

The friction generated by braking causes wear to the brake pads as well as to

the rims. Frequent rides in the rain and dirt and over hilly terrain can accelerate

wear on both braking surfaces. Some rims are provided with wear indicators,

e.g. grooves or circular indentations. If the rim is worn down to the point where

the grooves or indentations are no longer visible, they need to be replaced.

Once the abrasion of the rim has reached a certain critical point, the rim may

break under the tyre pressure. This can make the wheel jam or the inner tube

burst, both of which can cause an accident. Risk of falling!

Functional check

Test the brakes in stationary by firmly pulling the brake levers towards the

handlebars. The brake pads of rim brakes must hit the rim evenly with their

entire surface without touching the tyre during braking, in open condition or in

between.

Check whether the brake pads are accurately aligned with the rims and still suf-

ficiently thick. You can judge the wear of the brake pads by the appearance of

grooves. If the pads are worn down to the bottom of the grooves (c), it is time to

replace them. Be sure to observe the appropriate instructions of the respective

manufacturer.

The brake levers must always remain clear of the handlebars. You should not

even be able to pull them all the way to the handlebars in the event of an emer-

gency stop. If this is the case, however, observe the following chapter “Synchro-

nising and readjusting”.

b ca e fd

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