Bedienungsanleitung Scott Road Bikes 2018 (Seite 26 von 64) (Englisch)

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ROAD BIKE | OWNER’S MANUAL 2017OWNER’S MANUAL 2017 | ROAD BIKE

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Adjusting the brake lever reach

With disc brakes the brake levers can be adjusted to the size of your hands, too,

allowing you to operate them with optimal effectiveness (e).

For more information see the chapter “Brake lever reach adjustment on SCOTT

road bikes and SCOTT cyclo-cross bikes” and the original manual of the brake

manufacturer on this SCOTT info CD.

After adjusting check the functioning and make sure the brake pads do not

drag when releasing the brake lever and spinning the wheel.

DISC BRAKES

Operation and wear

The most striking feature of disc brakes (f) is their outstanding braking effect.

They respond a lot faster in wet conditions than rim brakes do and achieve their

normal high braking power within a very short time. They require little mainte-

nance and do not wear down the rims as rim brakes do. Disc brakes consist of

the brake calliper, the rotor, the brake lines (hydraulic) or cables (mechanical) as

well as the brake lever unit. Actuating the brake lever compresses the hydraulic

pistons through hydraulic pressure or mechanically, pushing the brake pads

against the rotor.

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

the rotors. Frequent rides in the rain and dirt can accelerate wear on both brak-

ing surfaces. Depending on the manufacturer and the model there are different

ways of checking the brake pads and rotors for their wear limits.

DANGER!

New brake pads have to be bedded in before they reach their optimal

braking performance. Accelerate your SCOTT bike about 30 to 50 times to

around 30 kmh and bring it to a halt each time. This procedure is finished, when

the force required at the lever for braking has stopped decreasing.

DANGER!

Disc brakes get hot in use. For this reason do not touch the brakes directly

after stopping, especially after a long downhill ride.

Synchronising and readjusting

Almost all brake designs have a bolt located next to one or both brake callipers

for adjusting the spring preload (a). Turn the bolt slowly and watch how the gap

changes between brake pads and rim.

Adjust the spring in a way that the gaps are equal on either side with an unap-

plied brake and the brake pads touch the rim simultaneously during braking.

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 handle-

bar grip. With an unapplied brake the brake pads should not be too close to the

rim sides, otherwise they could drag along the rim during riding. Before making

this adjustment, observe the notes in the chapter “Brake lever reach adjustment

on SCOTT road bikes and SCOTT cyclo-cross bikes”.

With ongoing brake pad wear, the pressure point at the brake lever moves to-

wards the handlebars. Check the free travel at regular intervals; it should not be

longer than a quarter to a third of the whole travel. If necessary, readjust at the

additional brake levers on the handlebars (b). Turn the adjusting bolt anticlock-

wise.

If no additional brake levers are installed, readjust at the cable stop at the fork

or the frame (c). Release the lock nut and undo the slotted adjusting screw anti-

clockwise. If the free travel complies with your wishes, hold the adjusting screw

tight and turn the lock nut against the cable stop until you feel a resistance.

DANGER!

Always test the brakes’ function when stationary after adjusting them, mak-

ing sure the brake pads hit the rim evenly with the entire surface (d) without

touching the tyre when you pull them hard. Make sure you cannot pull the lever

all the way to the handlebars.

b ca e fd

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Scott Road Bikes 2018 Seite 26

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