Bedienungsanleitung Kona 2016 (Seite 11 von 23) (Englisch)

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KONA OWNER’S MANUAL

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 you are 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, in the

U.S. the right brake lever controls

the rear brake and the left brake lever controls the front

brake; but, to check how 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 gs.

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

the bike. Maximum braking force for each wheel occurs at

the point just before the wheel “locks up” (stops rotating)

and starts to skid. Once the tire skids, you actually lose

most of your stopping force and all directional control.

You need to practice slowing and stopping smoothly 21

B. Seat Post Cam Action Clamp

Some bikes are equipped with a cam action seat post

binder. The seat post cam action binder works exactly like

the traditional wheel cam action fastener (Section 4.A.2)

While a cam action binder looks like a long bolt with a

lever on one end and a nut on the other, the binder uses

an over-center cam action to rmly clamp the seat post

(see g. 8a).

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, rst 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 clock-

wise 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 ngers 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

insufcient. 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 handle-

bar 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 (g. 11) and

linear-pull brakes (g. 12),

are extremely powerful. Take

extra care in becoming familiar

with these brakes and exercise

particular care when using them.

4. Some bicycle brakes are

equipped with a brake force

Kona 2016 Seite 11

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