Bedienungsanleitung Kona 2020 (Seite 4 von 44) (Englisch)

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KONA OWNER’S MANUAL

C) MECHANICAL SAFETY CHECK

Routinely check the condition of your bicycle before

every ride.

Nuts, bolts, screws & other fasteners:

Because

manufacturers use a wide variety of fastener sizes and

shapes made in a variety of materials, often differing by

model and component, the correct tightening force or

torque cannot be generalized. To make sure that the many

fasteners on your bicycle are correctly tightened, refer to

the Fastener Torque Specic actions in Appendix E of this

manual or to the torque specications in the instructions

provided by the manufacturer of the component in

question. Correctly tightening a fastener requires a

calibrated torque wrench. A professional bicycle mechanic

with a torque wrench should torque the fasteners on you

bicycle. If you choose to work on your own bicycle, you

must use a torque wrench and the correct tightening

torque specications from the bicycle or component

manufacturer or from your dealer. If you need to make an

adjustment at home or in the eld, we urge you to

exercise care, and to have the fasteners you worked on

checked by your dealer as soon as possible. Note that

there are some components that require special tools and

knowledge. In Sections 3 and 4 we discuss the items that

you may be able to adjust yourself. All other adjustments

and repairs should be done by a qualied bicycle mechanic.

WARNING: Correct tightening force on fasteners

— nuts, bolts, screws — on your bicycle is important.

Too little force, and the fastener may not hold

securely. Too much force, and the fastener can strip

threads, stretch, deform or break. Either way, incorrect

tightening force can result in component failure, which

can cause you to lose control and fall.

Make sure nothing is loose. Lift the front wheel off the

ground by two or three inches, then let it bounce on the

ground. Anything sound, feel or look loose? Do a visual

and tactile inspection of the whole bike. Any loose parts

or accessories? If so, secure them. If you’re not sure, ask

someone with experience to check.

Tires & Wheels: Make sure tires are correctly inated

[see Section 4.G.1]. Check by putting one hand on the

saddle, one on the intersection of the handlebars and

stem, then bouncing your weight on the bike while

looking at tire deection. Compare what you see with how

it looks when you know the tires are correctly inated;

and adjust if necessary. Tires in good shape? Spin each

wheel slowly and look for cuts in the tread and sidewall.

Replace damaged tires before riding the bike. Wheels

true? Spin each wheel and check for brake clearance and

side-to-side wobble. If a wheel wobbles side to side even

slightly, or rubs against or hits the brake pads, take the

bike to a qualied bike shop to have the wheel trued.

CAUTION: Wheels must be true for the brakes to

work effectively. Wheel truing is a skill which requires

special tools and experience. Do not attempt to true a

wheel unless you have the knowledge, experience and

tools needed to do the job correctly.

Wheel rims clean and undamaged? Make sure the rims

are clean and undamaged at the tire bead and, if you

have rim brakes, along the braking surface. Check to

make sure that any rim wear indicator marking is not

visible at any point on the wheel rim.

WARNING: Bicycle wheel rims are subject to wear.

Ask your dealer about wheel rim wear. Some wheel

rims have a rim wear indicator which becomes visible

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