Bedienungsanleitung Stevens Allround Trekking Bikes - 2014 (Seite 23 von 83) (Englisch)

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5.2. Rim Brakes (General)

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

as to the rims. Frequent rides in the rain and soiling hasten wear on both

engaging surfaces. 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 a fall!

See your STEVENS dealer and ask them to examine the remaining thick-

ness of the rims when you have worn through your second set of brake

pads at the latest. Your bicycle dealer has special measuring devices for

determining the remaining thickness of the rims.

Some rims are provided with wear indicators. Once the abrasion of the

rim has reached a certain critical point, the brake indicator becomes vis-

ible in form of small slots or a permanent strip or disappears (according

to the model). In this case you should also go and see your STEVENS deal-

er at once and have your rim replaced.

5.2.1. Checking, Readjusting and Synchronizing V-Brakes

Common V-brake designs have two brake arms mounted separately on

either side of the rim. Actuating the brake lever creates a pull on the

brake cable which draws the arms towards each other. On this occasion

the brake arms turn slightly inwards around the suspension point, a fric-

tion of the brake pads being generated on the rim sides.

The Brake System

5.2.2. Functional Check

• Check whether the brake pads are accurately aligned with the rims

and still sufficiently thick. You can tell this by the grooves in the

brake pads. If the pads are worn down, it is time to replace them.

Danger:

Wet weather, snow and ice

reduce your braking effect.

Be aware of longer stopping

distances when riding in

the rain!

Danger:

Damaged brake cables that

are for example frayed

should be replaced immedi-

ately, as they can otherwise

fail in a critical moment,

possibly causing a crash.

Note:

Clean the brake pads at

regular intervals.

Danger: When replacing brake pads, be sure to only use

marked brake pads matching your rim. Your

STEVENS dealer will be pleased to help you. Ensure that braking surfaces

are absolutely free of wax, grease and oil. Ask an expert to check the rims

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

the wear indicators are visible. Worn down rims may make the inner tube

burst and result in a fall! Ask your STEVENS dealer for help.

• Furthermore, the brake pads should touch the rim with their front

part first. At the moment of the first contact the rear part of the brake

pad should be a millimetre away from the rim. Seen from the top

the brake pads form a “V” with the trough pointing to the front. This

V-shaped setting prevents screeching when the brakes are applied.

• When you pull the brake lever, both brake arms must contact the rim

simultaneously.

• The brake lever must always remain clear of the handlebars. You

should not be able to pull it all the way to the handlebars, even in the

event of an emergency stop.

• Only a successful passing of all these points will ensure a correctly

adjusted brake.

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Stevens Allround Trekking Bikes - 2014 Seite 23

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