Bedienungsanleitung Winora Allgemeine (Seite 17 von 140) (Englisch)

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 

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

Your bicycle is fitted with quick-releases to ensure fast adjustments, assem-

bly and disassembly. Be sure to check whether all quick-releases are tight

before you set off on your bicycle. Quick-releases should be handled with

great care, as they directly affect your safety.

Practise the use of quick-releases to avoid any accidents.

Quick-release mechanisms essentially consist of two operative elements:

1. The hand lever on one side of the hub which creates a clamping force via

a cam when you close it .

2. The tightening nut on the other side of the hub with which the initial ten-

sion on the threaded rod is set.

Make sure the levers of both quick-releases at the front and

rear wheel are always on the side opposite to the chain. This

will help you to avoid mounting the front wheel the wrong way

round. By contrast, with disc brakes the front quick-release is

usually mounted with its lever to the right.

Never ride a bicycle without having first checked whether the

wheels are securely fastened! A wheel that comes loose whilst

riding will throw you off your bicycle!

If your bicycle is equipped with quick-releases, be sure to lock

the frame to an immovable object together with the wheels

when you leave it outside.



Open the quick-release. The marking “Open“ on the lever should become

visible now .

Do not touch the rotor directly after stopping – you may burn

your fingers! Always let the rotor cool down before opening the

quick-releases!

Move the lever back, as if to close it. Now you should be able to read ”Close“

on the outside of the lever. When you start closing the lever you should feel

virtually no resistance with your hand until the lever is at right angle to the

frame/fork.

 

1. Check whether the wheels are still firmly fixed in the drop-outs and

whether the rims are still centred with respect to the frame or fork. Spin

the wheels. If the width of the gap changes markedly and you cannot

true the rim where you are, you will need to open the rim brakes a little

so that the rim can run between the brake pads without touching them.

Caution: This will reduce the braking performance. For more information

see chapters  and .

2. Check that handlebars and stem are neither bent nor broken and that

they are level and upright. Make sure the stem is firmly fixed on the fork

by taking the front wheel between your knees and by trying to twist the

handlebars relative to the front wheel . Briefly lean on the brake levers to

make sure the handlebars are firmly fixed in the stem. For more information

see chapters and .

3. Check whether the chain still runs on the chainrings and sprockets .

If your bicycle fell over on the chain side, verify the proper functioning of

the gears. Ask somebody to lift the bicycle by the saddle and gently shift

through all the gears. Pay particular attention when shifting to the small

gears, making sure the rear derailleur does not get too close to the spokes

as the chain climbs onto the larger sprockets . If the rear derailleur or

the drop-outs are bent, this can cause the rear derailleur to collide with the

spokes and result in an ! This in turn can destroy the rear derail-

leur, the rear wheel or the frame.

Check the front derailleur, as a damaged gear changer can throw off the

chain, thus interrupting the power train of the bicycle (see chapter 

).

4. Make sure the saddle is not twisted using the top tube or the bottom

bracket shell as a reference .

5. Lift your bicycle up a few centimetres and let it bounce onto the ground. If

this causes any sort of noise, search for loosened bolts or components.

6. Finally, take a good look at the whole bicycle to detect any deformations,

discolourations or cracks.

Only if your bicycle passed these checks without any problems should you

ride back very carefully, taking the shortest possible route. Do not brake

hard or accelerate and do not ride your bicycle out of the saddle. If you are

in doubt about the performance of your bicycle, have yourself picked up by

car, instead of taking any risk. Back home you need to check your bicycle

thoroughly. If you are in doubt or if you have any questions, please contact

your bicycle dealer!

Bent parts made of aluminium must not be repaired, i.e.

straightened, as the risk of breakage would still remain. This

applies in particular to forks, handlebars, stems, cranksets and

pedals. Be sure to replace them as a precaution.

For more information regarding carbon parts see chapter  

.

Winora Allgemeine Seite 17

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