Bedienungsanleitung Burley Bicycle (Seite 14 von 27) (Englisch)

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4. Some bicycle brakes are equipped with a brake force

modulator, a small, cylindrical device through which the

brake control cable runs and which is designed to provide a

more progressive application of braking force. A modulator

makes the initial brake lever force more gentle, progressively

increasing force until full force is achieved. If your bike is

equipped with a brake force modulator, take extra care in

becoming familiar with its performance characteristics.

5. Disc brakes can get extremely hot with extended use. Be

careful not to touch a disc brake until it has had plenty of time to

cool.

6. See the brake manufacturer’s instructions for operation

and care of your brakes, and for when brake pads must be

replaced. If you do not have the manufacturer’s instructions,

see your dealer or contact the brake manufacturer.

7. If replacing worn or damaged parts, use only

manufacturer-approved genuine replacement parts.

1. Brake controls and features

It’s very important to your safety that you learn and

remember which brake lever controls which brake on your bike.

Traditionally, the right brake lever controls the rear brake and the

left brake lever controls the front brake; but, to make sure your

bike’s brakes are set up this way, squeeze one brake lever and

look to see which brake, front or rear, engages. Now do the same

with the other brake lever.

Make sure that your hands can reach and squeeze the brake

levers comfortably. If your hands are too small to operate the

levers comfortably, consult your dealer before riding the bike. The

lever reach may be adjustable; or you may need a different brake

lever design.

Most rim brakes have some form of quick-release mechanism

to allow the brake pads to clear the tire when a wheel is removed

or reinstalled. When the brake quick release is in the open

position, the brakes are inoperative. Ask your dealer to make sure

that you understand the way the brake quick release works on

your bike (see ﬁgs. 12, 13. 14 & 15) and check each time to make

sure both brakes work correctly before you get on the bike.

2. How brakes work

The braking action of a bicycle is a function of the friction

between the braking surfaces. To make sure that you have

maximum friction available, keep your wheel rims and brake pads

or the disk rotor and caliper clean and free of dirt, lubricants,

waxes or polishes.

Brakes are designed to control your speed, not just to stop

WARNING: Riding with an improperly tightened seat post can allow the saddle to

turn or move and cause you to lose control and fall. Therefore:

1. Ask your dealer to help you make sure you know how to correctly clamp your seat

post.

2. Understand and apply the correct technique for clamping your seat post.

3. Before you ride the bike, ﬁrst check that the seat post is securely clamped.

Adjusting the seat post cam action mechanism

The action of the cam squeezes the seat collar around the seat post to hold the

seat post securely in place. The amount of clamping force is controlled by the tension

adjusting nut. Turning the tension adjusting nut clockwise while keeping the cam lever

from rotating increases clamping force; turning it counterclockwise while keeping the

cam lever from rotating reduces clamping force. Less than half a turn of the tension

adjusting nut can make the difference between safe and unsafe clamping force.

WARNING: The full force of the cam action is needed to clamp the seat post

securely. Holding the nut with one hand and turning the lever like a wing nut with

the other hand until everything is as tight as you can get it will not clamp the seat post

safely.

WARNING: If you can fully close the cam lever without wrapping your ﬁngers

around the seat post or a frame tube for leverage, and the lever does not leave a

clear imprint in the palm of your hand, the tension is insufﬁcient. Open the lever; turn

the tension adjusting nut clockwise a quarter turn; then try again.

C. Brakes

There are three general types of bicycle brakes: rim brakes, which operate by

squeezing the wheel rim between two brake pads; disc brakes, which operate by

squeezing a hub-mounted disc between two brake pads; and internal hub brakes. All

three can be operated by way of a handlebar mounted lever. On some models of bicycle,

the internal hub brake is operated by pedaling backwards. This is called a Coaster Brake

and is described in Appendix C.

WARNING:

1. Riding with improperly adjusted brakes, worn brake pads, or wheels on

which the rim wear mark is visible is dangerous and can result in serious injury or

death.

2. Applying brakes too hard or too suddenly can lock up a wheel, which could cause

you to lose control and fall. Sudden or excessive application of the front brake may

pitch the rider over the handlebars, which may result in serious injury or death.

3. Some bicycle brakes, such as disc brakes (ﬁg. 11) and linear-pull brakes (ﬁg.

12), are extremely powerful. Take extra care in becoming familiar with these brakes

and exercise particular care when using them.

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